Home / 2,119,456.59-2,924,927.19-1,214,213.55

Finding the Fourth Proportional to 2,119,456.59, 2,924,927.19 and 1,214,213.55

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Solution

The fourth proportional to 2,119,456.59, 2,924,927.19 and 1,214,213.55 is: 1,675,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,456.59 : 2,924,927.19 = 1,214,213.55 : x
  2. Step 2: Convert to fraction form
    2,119,456.59/2,924,927.19 = 1,214,213.55/x
  3. Step 3: Cross multiply
    2,119,456.59x = 2,924,927.19 × 1,214,213.55
  4. Step 4: Simplify right side
    2,119,456.59x = 3,551,486,226,861.43
  5. Step 5: Solve for x
    x = 3,551,486,226,861.43/2,119,456.59
  6. Step 6: Final answer
    x = 1,675,658.87

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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.