Home / 3,168,220.80-4,752,331.20-2,645,673.60

Finding the Fourth Proportional to 3,168,220.80, 4,752,331.20 and 2,645,673.60

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Solution

The fourth proportional to 3,168,220.80, 4,752,331.20 and 2,645,673.60 is: 3,968,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,220.80 : 4,752,331.20 = 2,645,673.60 : x
  2. Step 2: Convert to fraction form
    3,168,220.80/4,752,331.20 = 2,645,673.60/x
  3. Step 3: Cross multiply
    3,168,220.80x = 4,752,331.20 × 2,645,673.60
  4. Step 4: Simplify right side
    3,168,220.80x = 12,573,117,194,296.32
  5. Step 5: Solve for x
    x = 12,573,117,194,296.32/3,168,220.80
  6. Step 6: Final answer
    x = 3,968,510.40

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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.