Home / 2,894,781.38-3,992,184.23-1,807,153.47

Finding the Fourth Proportional to 2,894,781.38, 3,992,184.23 and 1,807,153.47

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Solution

The fourth proportional to 2,894,781.38, 3,992,184.23 and 1,807,153.47 is: 2,492,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,781.38 : 3,992,184.23 = 1,807,153.47 : x
  2. Step 2: Convert to fraction form
    2,894,781.38/3,992,184.23 = 1,807,153.47/x
  3. Step 3: Cross multiply
    2,894,781.38x = 3,992,184.23 × 1,807,153.47
  4. Step 4: Simplify right side
    2,894,781.38x = 7,214,489,575,088.01
  5. Step 5: Solve for x
    x = 7,214,489,575,088.01/2,894,781.38
  6. Step 6: Final answer
    x = 2,492,239.88

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1.5x scale

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.