Home / 4,119,098.60-6,179,108.70-1,279,188.20

Finding the Fourth Proportional to 4,119,098.60, 6,179,108.70 and 1,279,188.20

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Solution

The fourth proportional to 4,119,098.60, 6,179,108.70 and 1,279,188.20 is: 1,918,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,098.60 : 6,179,108.70 = 1,279,188.20 : x
  2. Step 2: Convert to fraction form
    4,119,098.60/6,179,108.70 = 1,279,188.20/x
  3. Step 3: Cross multiply
    4,119,098.60x = 6,179,108.70 × 1,279,188.20
  4. Step 4: Simplify right side
    4,119,098.60x = 7,904,242,935,557.34
  5. Step 5: Solve for x
    x = 7,904,242,935,557.34/4,119,098.60
  6. Step 6: Final answer
    x = 1,918,925.40

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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.