Home / 2,652,139.20-3,968,877.60-2,428,190.40

Finding the Fourth Proportional to 2,652,139.20, 3,968,877.60 and 2,428,190.40

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Solution

The fourth proportional to 2,652,139.20, 3,968,877.60 and 2,428,190.40 is: 3,633,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,139.20 : 3,968,877.60 = 2,428,190.40 : x
  2. Step 2: Convert to fraction form
    2,652,139.20/3,968,877.60 = 2,428,190.40/x
  3. Step 3: Cross multiply
    2,652,139.20x = 3,968,877.60 × 2,428,190.40
  4. Step 4: Simplify right side
    2,652,139.20x = 9,637,190,487,095.04
  5. Step 5: Solve for x
    x = 9,637,190,487,095.04/2,652,139.20
  6. Step 6: Final answer
    x = 3,633,742.33

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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.