Home / 2,272,881.12-3,136,642.45-1,240,455.13

Finding the Fourth Proportional to 2,272,881.12, 3,136,642.45 and 1,240,455.13

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Solution

The fourth proportional to 2,272,881.12, 3,136,642.45 and 1,240,455.13 is: 1,711,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,881.12 : 3,136,642.45 = 1,240,455.13 : x
  2. Step 2: Convert to fraction form
    2,272,881.12/3,136,642.45 = 1,240,455.13/x
  3. Step 3: Cross multiply
    2,272,881.12x = 3,136,642.45 × 1,240,455.13
  4. Step 4: Simplify right side
    2,272,881.12x = 3,890,864,207,135.52
  5. Step 5: Solve for x
    x = 3,890,864,207,135.52/2,272,881.12
  6. Step 6: Final answer
    x = 1,711,864.37

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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.