Home / 2,091,205.30-3,136,807.95-2,075,458.90

Finding the Fourth Proportional to 2,091,205.30, 3,136,807.95 and 2,075,458.90

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Solution

The fourth proportional to 2,091,205.30, 3,136,807.95 and 2,075,458.90 is: 3,113,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,205.30 : 3,136,807.95 = 2,075,458.90 : x
  2. Step 2: Convert to fraction form
    2,091,205.30/3,136,807.95 = 2,075,458.90/x
  3. Step 3: Cross multiply
    2,091,205.30x = 3,136,807.95 × 2,075,458.90
  4. Step 4: Simplify right side
    2,091,205.30x = 6,510,315,977,418.26
  5. Step 5: Solve for x
    x = 6,510,315,977,418.26/2,091,205.30
  6. Step 6: Final answer
    x = 3,113,188.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.