Home / 4,745,218.80-7,108,151.40-2,942,569.20

Finding the Fourth Proportional to 4,745,218.80, 7,108,151.40 and 2,942,569.20

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Solution

The fourth proportional to 4,745,218.80, 7,108,151.40 and 2,942,569.20 is: 4,407,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,218.80 : 7,108,151.40 = 2,942,569.20 : x
  2. Step 2: Convert to fraction form
    4,745,218.80/7,108,151.40 = 2,942,569.20/x
  3. Step 3: Cross multiply
    4,745,218.80x = 7,108,151.40 × 2,942,569.20
  4. Step 4: Simplify right side
    4,745,218.80x = 20,916,227,378,576.88
  5. Step 5: Solve for x
    x = 20,916,227,378,576.88/4,745,218.80
  6. Step 6: Final answer
    x = 4,407,853.10

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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.