Home / 7,107,487.02-10,658,736-1,988,541.36

Finding the Fourth Proportional to 7,107,487.02, 10,658,736 and 1,988,541.36

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Solution

The fourth proportional to 7,107,487.02, 10,658,736 and 1,988,541.36 is: 2,982,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,487.02 : 10,658,736 = 1,988,541.36 : x
  2. Step 2: Convert to fraction form
    7,107,487.02/10,658,736 = 1,988,541.36/x
  3. Step 3: Cross multiply
    7,107,487.02x = 10,658,736 × 1,988,541.36
  4. Step 4: Simplify right side
    7,107,487.02x = 21,195,337,381,320.96
  5. Step 5: Solve for x
    x = 21,195,337,381,320.96/7,107,487.02
  6. Step 6: Final answer
    x = 2,982,114.12

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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.