Home / 2,489,466.40-3,725,905.20-2,290,400.80

Finding the Fourth Proportional to 2,489,466.40, 3,725,905.20 and 2,290,400.80

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Solution

The fourth proportional to 2,489,466.40, 3,725,905.20 and 2,290,400.80 is: 3,427,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,466.40 : 3,725,905.20 = 2,290,400.80 : x
  2. Step 2: Convert to fraction form
    2,489,466.40/3,725,905.20 = 2,290,400.80/x
  3. Step 3: Cross multiply
    2,489,466.40x = 3,725,905.20 × 2,290,400.80
  4. Step 4: Simplify right side
    2,489,466.40x = 8,533,816,250,804.16
  5. Step 5: Solve for x
    x = 8,533,816,250,804.16/2,489,466.40
  6. Step 6: Final answer
    x = 3,427,970.05

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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.