Home / 5,135,554.29-7,086,978.12-2,843,665.77

Finding the Fourth Proportional to 5,135,554.29, 7,086,978.12 and 2,843,665.77

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Solution

The fourth proportional to 5,135,554.29, 7,086,978.12 and 2,843,665.77 is: 3,924,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,554.29 : 7,086,978.12 = 2,843,665.77 : x
  2. Step 2: Convert to fraction form
    5,135,554.29/7,086,978.12 = 2,843,665.77/x
  3. Step 3: Cross multiply
    5,135,554.29x = 7,086,978.12 × 2,843,665.77
  4. Step 4: Simplify right side
    5,135,554.29x = 20,152,997,092,582.95
  5. Step 5: Solve for x
    x = 20,152,997,092,582.95/5,135,554.29
  6. Step 6: Final answer
    x = 3,924,210.70

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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.