Home / 5,148,171.15-7,720,961.13-2,116,382.46

Finding the Fourth Proportional to 5,148,171.15, 7,720,961.13 and 2,116,382.46

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Solution

The fourth proportional to 5,148,171.15, 7,720,961.13 and 2,116,382.46 is: 3,174,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,171.15 : 7,720,961.13 = 2,116,382.46 : x
  2. Step 2: Convert to fraction form
    5,148,171.15/7,720,961.13 = 2,116,382.46/x
  3. Step 3: Cross multiply
    5,148,171.15x = 7,720,961.13 × 2,116,382.46
  4. Step 4: Simplify right side
    5,148,171.15x = 16,340,506,709,873.78
  5. Step 5: Solve for x
    x = 16,340,506,709,873.78/5,148,171.15
  6. Step 6: Final answer
    x = 3,174,041.08

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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.