Home / 6,442,911.90-8,890,991.28-3,542,280.45

Finding the Fourth Proportional to 6,442,911.90, 8,890,991.28 and 3,542,280.45

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Solution

The fourth proportional to 6,442,911.90, 8,890,991.28 and 3,542,280.45 is: 4,888,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,911.90 : 8,890,991.28 = 3,542,280.45 : x
  2. Step 2: Convert to fraction form
    6,442,911.90/8,890,991.28 = 3,542,280.45/x
  3. Step 3: Cross multiply
    6,442,911.90x = 8,890,991.28 × 3,542,280.45
  4. Step 4: Simplify right side
    6,442,911.90x = 31,494,384,592,264.48
  5. Step 5: Solve for x
    x = 31,494,384,592,264.48/6,442,911.90
  6. Step 6: Final answer
    x = 4,888,222.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.