Home / 3,864,926.16-5,771,362.50-3,156,359.76

Finding the Fourth Proportional to 3,864,926.16, 5,771,362.50 and 3,156,359.76

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Solution

The fourth proportional to 3,864,926.16, 5,771,362.50 and 3,156,359.76 is: 4,713,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,926.16 : 5,771,362.50 = 3,156,359.76 : x
  2. Step 2: Convert to fraction form
    3,864,926.16/5,771,362.50 = 3,156,359.76/x
  3. Step 3: Cross multiply
    3,864,926.16x = 5,771,362.50 × 3,156,359.76
  4. Step 4: Simplify right side
    3,864,926.16x = 18,216,496,355,373
  5. Step 5: Solve for x
    x = 18,216,496,355,373/3,864,926.16
  6. Step 6: Final answer
    x = 4,713,284.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.