Home / 2,119,379.61-2,924,820.65-1,214,136.57

Finding the Fourth Proportional to 2,119,379.61, 2,924,820.65 and 1,214,136.57

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Solution

The fourth proportional to 2,119,379.61, 2,924,820.65 and 1,214,136.57 is: 1,675,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,379.61 : 2,924,820.65 = 1,214,136.57 : x
  2. Step 2: Convert to fraction form
    2,119,379.61/2,924,820.65 = 1,214,136.57/x
  3. Step 3: Cross multiply
    2,119,379.61x = 2,924,820.65 × 1,214,136.57
  4. Step 4: Simplify right side
    2,119,379.61x = 3,551,131,711,856.17
  5. Step 5: Solve for x
    x = 3,551,131,711,856.17/2,119,379.61
  6. Step 6: Final answer
    x = 1,675,552.46

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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.