Home / 2,545,508.91-3,512,815.47-1,399,663.05

Finding the Fourth Proportional to 2,545,508.91, 3,512,815.47 and 1,399,663.05

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Solution

The fourth proportional to 2,545,508.91, 3,512,815.47 and 1,399,663.05 is: 1,931,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,508.91 : 3,512,815.47 = 1,399,663.05 : x
  2. Step 2: Convert to fraction form
    2,545,508.91/3,512,815.47 = 1,399,663.05/x
  3. Step 3: Cross multiply
    2,545,508.91x = 3,512,815.47 × 1,399,663.05
  4. Step 4: Simplify right side
    2,545,508.91x = 4,916,758,014,827.38
  5. Step 5: Solve for x
    x = 4,916,758,014,827.38/2,545,508.91
  6. Step 6: Final answer
    x = 1,931,542.25

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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.