Home / 3,139,636.70-4,332,402.52-1,762,711.49

Finding the Fourth Proportional to 3,139,636.70, 4,332,402.52 and 1,762,711.49

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Solution

The fourth proportional to 3,139,636.70, 4,332,402.52 and 1,762,711.49 is: 2,432,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,636.70 : 4,332,402.52 = 1,762,711.49 : x
  2. Step 2: Convert to fraction form
    3,139,636.70/4,332,402.52 = 1,762,711.49/x
  3. Step 3: Cross multiply
    3,139,636.70x = 4,332,402.52 × 1,762,711.49
  4. Step 4: Simplify right side
    3,139,636.70x = 7,636,775,701,308.95
  5. Step 5: Solve for x
    x = 7,636,775,701,308.95/3,139,636.70
  6. Step 6: Final answer
    x = 2,432,375.60

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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.