Home / 6,984,357.12-10,476,665.28-2,191,939.20

Finding the Fourth Proportional to 6,984,357.12, 10,476,665.28 and 2,191,939.20

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Solution

The fourth proportional to 6,984,357.12, 10,476,665.28 and 2,191,939.20 is: 3,287,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,357.12 : 10,476,665.28 = 2,191,939.20 : x
  2. Step 2: Convert to fraction form
    6,984,357.12/10,476,665.28 = 2,191,939.20/x
  3. Step 3: Cross multiply
    6,984,357.12x = 10,476,665.28 × 2,191,939.20
  4. Step 4: Simplify right side
    6,984,357.12x = 22,964,213,312,510.98
  5. Step 5: Solve for x
    x = 22,964,213,312,510.98/6,984,357.12
  6. Step 6: Final answer
    x = 3,287,949.47

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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.