Home / 5,681,719.76-7,840,726.68-3,103,402.16

Finding the Fourth Proportional to 5,681,719.76, 7,840,726.68 and 3,103,402.16

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Solution

The fourth proportional to 5,681,719.76, 7,840,726.68 and 3,103,402.16 is: 4,282,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,719.76 : 7,840,726.68 = 3,103,402.16 : x
  2. Step 2: Convert to fraction form
    5,681,719.76/7,840,726.68 = 3,103,402.16/x
  3. Step 3: Cross multiply
    5,681,719.76x = 7,840,726.68 × 3,103,402.16
  4. Step 4: Simplify right side
    5,681,719.76x = 24,332,928,114,681.63
  5. Step 5: Solve for x
    x = 24,332,928,114,681.63/5,681,719.76
  6. Step 6: Final answer
    x = 4,282,669.53

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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.