Home / 2,982,113.28-4,472,703.36-987,569.28

Finding the Fourth Proportional to 2,982,113.28, 4,472,703.36 and 987,569.28

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Solution

The fourth proportional to 2,982,113.28, 4,472,703.36 and 987,569.28 is: 1,481,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,113.28 : 4,472,703.36 = 987,569.28 : x
  2. Step 2: Convert to fraction form
    2,982,113.28/4,472,703.36 = 987,569.28/x
  3. Step 3: Cross multiply
    2,982,113.28x = 4,472,703.36 × 987,569.28
  4. Step 4: Simplify right side
    2,982,113.28x = 4,417,104,436,888.78
  5. Step 5: Solve for x
    x = 4,417,104,436,888.78/2,982,113.28
  6. Step 6: Final answer
    x = 1,481,199.41

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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.