Home / 2,428,612.80-3,640,003.20-1,007,937.60

Finding the Fourth Proportional to 2,428,612.80, 3,640,003.20 and 1,007,937.60

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Solution

The fourth proportional to 2,428,612.80, 3,640,003.20 and 1,007,937.60 is: 1,510,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,612.80 : 3,640,003.20 = 1,007,937.60 : x
  2. Step 2: Convert to fraction form
    2,428,612.80/3,640,003.20 = 1,007,937.60/x
  3. Step 3: Cross multiply
    2,428,612.80x = 3,640,003.20 × 1,007,937.60
  4. Step 4: Simplify right side
    2,428,612.80x = 3,668,896,089,400.32
  5. Step 5: Solve for x
    x = 3,668,896,089,400.32/2,428,612.80
  6. Step 6: Final answer
    x = 1,510,696.18

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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.