Home / 3,175,807.68-4,769,838.72-2,721,428.88

Finding the Fourth Proportional to 3,175,807.68, 4,769,838.72 and 2,721,428.88

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Solution

The fourth proportional to 3,175,807.68, 4,769,838.72 and 2,721,428.88 is: 4,087,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,807.68 : 4,769,838.72 = 2,721,428.88 : x
  2. Step 2: Convert to fraction form
    3,175,807.68/4,769,838.72 = 2,721,428.88/x
  3. Step 3: Cross multiply
    3,175,807.68x = 4,769,838.72 × 2,721,428.88
  4. Step 4: Simplify right side
    3,175,807.68x = 12,980,776,845,550.23
  5. Step 5: Solve for x
    x = 12,980,776,845,550.23/3,175,807.68
  6. Step 6: Final answer
    x = 4,087,393.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.