Home / 6,205,792.20-9,308,688.30-4,078,278.60

Finding the Fourth Proportional to 6,205,792.20, 9,308,688.30 and 4,078,278.60

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Solution

The fourth proportional to 6,205,792.20, 9,308,688.30 and 4,078,278.60 is: 6,117,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205,792.20 : 9,308,688.30 = 4,078,278.60 : x
  2. Step 2: Convert to fraction form
    6,205,792.20/9,308,688.30 = 4,078,278.60/x
  3. Step 3: Cross multiply
    6,205,792.20x = 9,308,688.30 × 4,078,278.60
  4. Step 4: Simplify right side
    6,205,792.20x = 37,963,424,287,960.38
  5. Step 5: Solve for x
    x = 37,963,424,287,960.38/6,205,792.20
  6. Step 6: Final answer
    x = 6,117,417.90

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Similar ratio
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1.5x scale

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.