Home / 2,050,219.40-3,075,329.10-1,900,920.20

Finding the Fourth Proportional to 2,050,219.40, 3,075,329.10 and 1,900,920.20

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Solution

The fourth proportional to 2,050,219.40, 3,075,329.10 and 1,900,920.20 is: 2,851,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050,219.40 : 3,075,329.10 = 1,900,920.20 : x
  2. Step 2: Convert to fraction form
    2,050,219.40/3,075,329.10 = 1,900,920.20/x
  3. Step 3: Cross multiply
    2,050,219.40x = 3,075,329.10 × 1,900,920.20
  4. Step 4: Simplify right side
    2,050,219.40x = 5,845,955,207,837.82
  5. Step 5: Solve for x
    x = 5,845,955,207,837.82/2,050,219.40
  6. Step 6: Final answer
    x = 2,851,380.30

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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.