Home / 2,913,578.28-4,021,031.88-1,690,257.96

Finding the Fourth Proportional to 2,913,578.28, 4,021,031.88 and 1,690,257.96

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Solution

The fourth proportional to 2,913,578.28, 4,021,031.88 and 1,690,257.96 is: 2,332,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,578.28 : 4,021,031.88 = 1,690,257.96 : x
  2. Step 2: Convert to fraction form
    2,913,578.28/4,021,031.88 = 1,690,257.96/x
  3. Step 3: Cross multiply
    2,913,578.28x = 4,021,031.88 × 1,690,257.96
  4. Step 4: Simplify right side
    2,913,578.28x = 6,796,581,142,583.77
  5. Step 5: Solve for x
    x = 6,796,581,142,583.77/2,913,578.28
  6. Step 6: Final answer
    x = 2,332,726.46

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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.