Home / 1,888,747.38-2,606,471.91-1,029,307.86

Finding the Fourth Proportional to 1,888,747.38, 2,606,471.91 and 1,029,307.86

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Solution

The fourth proportional to 1,888,747.38, 2,606,471.91 and 1,029,307.86 is: 1,420,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,747.38 : 2,606,471.91 = 1,029,307.86 : x
  2. Step 2: Convert to fraction form
    1,888,747.38/2,606,471.91 = 1,029,307.86/x
  3. Step 3: Cross multiply
    1,888,747.38x = 2,606,471.91 × 1,029,307.86
  4. Step 4: Simplify right side
    1,888,747.38x = 2,682,862,023,832.21
  5. Step 5: Solve for x
    x = 2,682,862,023,832.21/1,888,747.38
  6. Step 6: Final answer
    x = 1,420,445.13

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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.