Home / 2,688,087.60-4,032,131.40-2,482,801.20

Finding the Fourth Proportional to 2,688,087.60, 4,032,131.40 and 2,482,801.20

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Solution

The fourth proportional to 2,688,087.60, 4,032,131.40 and 2,482,801.20 is: 3,724,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,087.60 : 4,032,131.40 = 2,482,801.20 : x
  2. Step 2: Convert to fraction form
    2,688,087.60/4,032,131.40 = 2,482,801.20/x
  3. Step 3: Cross multiply
    2,688,087.60x = 4,032,131.40 × 2,482,801.20
  4. Step 4: Simplify right side
    2,688,087.60x = 10,010,980,678,477.68
  5. Step 5: Solve for x
    x = 10,010,980,678,477.68/2,688,087.60
  6. Step 6: Final answer
    x = 3,724,201.80

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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.