Home / 5,140,114.47-7,702,060.50-1,897,188.62

Finding the Fourth Proportional to 5,140,114.47, 7,702,060.50 and 1,897,188.62

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Solution

The fourth proportional to 5,140,114.47, 7,702,060.50 and 1,897,188.62 is: 2,842,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,114.47 : 7,702,060.50 = 1,897,188.62 : x
  2. Step 2: Convert to fraction form
    5,140,114.47/7,702,060.50 = 1,897,188.62/x
  3. Step 3: Cross multiply
    5,140,114.47x = 7,702,060.50 × 1,897,188.62
  4. Step 4: Simplify right side
    5,140,114.47x = 14,612,261,492,641.21
  5. Step 5: Solve for x
    x = 14,612,261,492,641.21/5,140,114.47
  6. Step 6: Final answer
    x = 2,842,789.12

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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.