Home / 2,475,108.39-3,712,665.78-678,007.67

Finding the Fourth Proportional to 2,475,108.39, 3,712,665.78 and 678,007.67

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Solution

The fourth proportional to 2,475,108.39, 3,712,665.78 and 678,007.67 is: 1,017,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,108.39 : 3,712,665.78 = 678,007.67 : x
  2. Step 2: Convert to fraction form
    2,475,108.39/3,712,665.78 = 678,007.67/x
  3. Step 3: Cross multiply
    2,475,108.39x = 3,712,665.78 × 678,007.67
  4. Step 4: Simplify right side
    2,475,108.39x = 2,517,215,856,423.20
  5. Step 5: Solve for x
    x = 2,517,215,856,423.20/2,475,108.39
  6. Step 6: Final answer
    x = 1,017,012.37

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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.