Home / 5,121,890.86-7,068,124.01-2,798,732.34

Finding the Fourth Proportional to 5,121,890.86, 7,068,124.01 and 2,798,732.34

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Solution

The fourth proportional to 5,121,890.86, 7,068,124.01 and 2,798,732.34 is: 3,862,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,890.86 : 7,068,124.01 = 2,798,732.34 : x
  2. Step 2: Convert to fraction form
    5,121,890.86/7,068,124.01 = 2,798,732.34/x
  3. Step 3: Cross multiply
    5,121,890.86x = 7,068,124.01 × 2,798,732.34
  4. Step 4: Simplify right side
    5,121,890.86x = 19,781,787,237,135.46
  5. Step 5: Solve for x
    x = 19,781,787,237,135.46/5,121,890.86
  6. Step 6: Final answer
    x = 3,862,203.98

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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.