Home / 5,472,878.66-8,210,655.84-3,856,799.78

Finding the Fourth Proportional to 5,472,878.66, 8,210,655.84 and 3,856,799.78

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Solution

The fourth proportional to 5,472,878.66, 8,210,655.84 and 3,856,799.78 is: 5,786,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,878.66 : 8,210,655.84 = 3,856,799.78 : x
  2. Step 2: Convert to fraction form
    5,472,878.66/8,210,655.84 = 3,856,799.78/x
  3. Step 3: Cross multiply
    5,472,878.66x = 8,210,655.84 × 3,856,799.78
  4. Step 4: Simplify right side
    5,472,878.66x = 31,666,855,637,367.71
  5. Step 5: Solve for x
    x = 31,666,855,637,367.71/5,472,878.66
  6. Step 6: Final answer
    x = 5,786,142.47

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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.