Home / 2,592,062.80-3,888,094.20-1,640,280.40

Finding the Fourth Proportional to 2,592,062.80, 3,888,094.20 and 1,640,280.40

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Solution

The fourth proportional to 2,592,062.80, 3,888,094.20 and 1,640,280.40 is: 2,460,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,062.80 : 3,888,094.20 = 1,640,280.40 : x
  2. Step 2: Convert to fraction form
    2,592,062.80/3,888,094.20 = 1,640,280.40/x
  3. Step 3: Cross multiply
    2,592,062.80x = 3,888,094.20 × 1,640,280.40
  4. Step 4: Simplify right side
    2,592,062.80x = 6,377,564,709,613.68
  5. Step 5: Solve for x
    x = 6,377,564,709,613.68/2,592,062.80
  6. Step 6: Final answer
    x = 2,460,420.60

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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.