Home / 2,787,201.60-4,180,802.40-792,398.40

Finding the Fourth Proportional to 2,787,201.60, 4,180,802.40 and 792,398.40

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Solution

The fourth proportional to 2,787,201.60, 4,180,802.40 and 792,398.40 is: 1,188,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,201.60 : 4,180,802.40 = 792,398.40 : x
  2. Step 2: Convert to fraction form
    2,787,201.60/4,180,802.40 = 792,398.40/x
  3. Step 3: Cross multiply
    2,787,201.60x = 4,180,802.40 × 792,398.40
  4. Step 4: Simplify right side
    2,787,201.60x = 3,312,861,132,476.16
  5. Step 5: Solve for x
    x = 3,312,861,132,476.16/2,787,201.60
  6. Step 6: Final answer
    x = 1,188,597.60

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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.