Home / 1,912,666.70-2,639,475.82-1,041,487.86

Finding the Fourth Proportional to 1,912,666.70, 2,639,475.82 and 1,041,487.86

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Solution

The fourth proportional to 1,912,666.70, 2,639,475.82 and 1,041,487.86 is: 1,437,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,666.70 : 2,639,475.82 = 1,041,487.86 : x
  2. Step 2: Convert to fraction form
    1,912,666.70/2,639,475.82 = 1,041,487.86/x
  3. Step 3: Cross multiply
    1,912,666.70x = 2,639,475.82 × 1,041,487.86
  4. Step 4: Simplify right side
    1,912,666.70x = 2,748,982,023,293.55
  5. Step 5: Solve for x
    x = 2,748,982,023,293.55/1,912,666.70
  6. Step 6: Final answer
    x = 1,437,250.95

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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.