Home / 2,691,808.60-4,039,268.10-1,009,082.20

Finding the Fourth Proportional to 2,691,808.60, 4,039,268.10 and 1,009,082.20

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Solution

The fourth proportional to 2,691,808.60, 4,039,268.10 and 1,009,082.20 is: 1,514,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,808.60 : 4,039,268.10 = 1,009,082.20 : x
  2. Step 2: Convert to fraction form
    2,691,808.60/4,039,268.10 = 1,009,082.20/x
  3. Step 3: Cross multiply
    2,691,808.60x = 4,039,268.10 × 1,009,082.20
  4. Step 4: Simplify right side
    2,691,808.60x = 4,075,953,540,737.82
  5. Step 5: Solve for x
    x = 4,075,953,540,737.82/2,691,808.60
  6. Step 6: Final answer
    x = 1,514,206.30

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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.