Home / 2,634,789.75-3,636,012.29-1,427,565.75

Finding the Fourth Proportional to 2,634,789.75, 3,636,012.29 and 1,427,565.75

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Solution

The fourth proportional to 2,634,789.75, 3,636,012.29 and 1,427,565.75 is: 1,970,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,789.75 : 3,636,012.29 = 1,427,565.75 : x
  2. Step 2: Convert to fraction form
    2,634,789.75/3,636,012.29 = 1,427,565.75/x
  3. Step 3: Cross multiply
    2,634,789.75x = 3,636,012.29 × 1,427,565.75
  4. Step 4: Simplify right side
    2,634,789.75x = 5,190,646,604,645.24
  5. Step 5: Solve for x
    x = 5,190,646,604,645.24/2,634,789.75
  6. Step 6: Final answer
    x = 1,970,042.05

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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.