Home / 5,172,783.30-7,138,999.14-2,849,913.18

Finding the Fourth Proportional to 5,172,783.30, 7,138,999.14 and 2,849,913.18

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Solution

The fourth proportional to 5,172,783.30, 7,138,999.14 and 2,849,913.18 is: 3,933,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,783.30 : 7,138,999.14 = 2,849,913.18 : x
  2. Step 2: Convert to fraction form
    5,172,783.30/7,138,999.14 = 2,849,913.18/x
  3. Step 3: Cross multiply
    5,172,783.30x = 7,138,999.14 × 2,849,913.18
  4. Step 4: Simplify right side
    5,172,783.30x = 20,345,527,741,094.66
  5. Step 5: Solve for x
    x = 20,345,527,741,094.66/5,172,783.30
  6. Step 6: Final answer
    x = 3,933,187.72

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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.