Home / 3,926,607.90-5,419,681.11-2,399,994.78

Finding the Fourth Proportional to 3,926,607.90, 5,419,681.11 and 2,399,994.78

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Solution

The fourth proportional to 3,926,607.90, 5,419,681.11 and 2,399,994.78 is: 3,312,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,607.90 : 5,419,681.11 = 2,399,994.78 : x
  2. Step 2: Convert to fraction form
    3,926,607.90/5,419,681.11 = 2,399,994.78/x
  3. Step 3: Cross multiply
    3,926,607.90x = 5,419,681.11 × 2,399,994.78
  4. Step 4: Simplify right side
    3,926,607.90x = 13,007,206,373,264.61
  5. Step 5: Solve for x
    x = 13,007,206,373,264.61/3,926,607.90
  6. Step 6: Final answer
    x = 3,312,580.91

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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.