Home / 1,980,036.90-2,732,452.02-1,074,618.90

Finding the Fourth Proportional to 1,980,036.90, 2,732,452.02 and 1,074,618.90

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Solution

The fourth proportional to 1,980,036.90, 2,732,452.02 and 1,074,618.90 is: 1,482,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,036.90 : 2,732,452.02 = 1,074,618.90 : x
  2. Step 2: Convert to fraction form
    1,980,036.90/2,732,452.02 = 1,074,618.90/x
  3. Step 3: Cross multiply
    1,980,036.90x = 2,732,452.02 × 1,074,618.90
  4. Step 4: Simplify right side
    1,980,036.90x = 2,936,344,584,035.18
  5. Step 5: Solve for x
    x = 2,936,344,584,035.18/1,980,036.90
  6. Step 6: Final answer
    x = 1,482,974.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.