Home / 5,274,985.71-7,912,392.10-1,680,703.83

Finding the Fourth Proportional to 5,274,985.71, 7,912,392.10 and 1,680,703.83

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Solution

The fourth proportional to 5,274,985.71, 7,912,392.10 and 1,680,703.83 is: 2,521,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,985.71 : 7,912,392.10 = 1,680,703.83 : x
  2. Step 2: Convert to fraction form
    5,274,985.71/7,912,392.10 = 1,680,703.83/x
  3. Step 3: Cross multiply
    5,274,985.71x = 7,912,392.10 × 1,680,703.83
  4. Step 4: Simplify right side
    5,274,985.71x = 13,298,387,712,183.94
  5. Step 5: Solve for x
    x = 13,298,387,712,183.94/5,274,985.71
  6. Step 6: Final answer
    x = 2,521,028.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.