Home / 2,426,946.40-3,640,419.60-743,831.20

Finding the Fourth Proportional to 2,426,946.40, 3,640,419.60 and 743,831.20

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Solution

The fourth proportional to 2,426,946.40, 3,640,419.60 and 743,831.20 is: 1,115,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426,946.40 : 3,640,419.60 = 743,831.20 : x
  2. Step 2: Convert to fraction form
    2,426,946.40/3,640,419.60 = 743,831.20/x
  3. Step 3: Cross multiply
    2,426,946.40x = 3,640,419.60 × 743,831.20
  4. Step 4: Simplify right side
    2,426,946.40x = 2,707,857,679,571.52
  5. Step 5: Solve for x
    x = 2,707,857,679,571.52/2,426,946.40
  6. Step 6: Final answer
    x = 1,115,746.80

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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.