Home / 2,890,680.60-4,335,000.30-996,981.60

Finding the Fourth Proportional to 2,890,680.60, 4,335,000.30 and 996,981.60

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Solution

The fourth proportional to 2,890,680.60, 4,335,000.30 and 996,981.60 is: 1,495,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,680.60 : 4,335,000.30 = 996,981.60 : x
  2. Step 2: Convert to fraction form
    2,890,680.60/4,335,000.30 = 996,981.60/x
  3. Step 3: Cross multiply
    2,890,680.60x = 4,335,000.30 × 996,981.60
  4. Step 4: Simplify right side
    2,890,680.60x = 4,321,915,535,094.48
  5. Step 5: Solve for x
    x = 4,321,915,535,094.48/2,890,680.60
  6. Step 6: Final answer
    x = 1,495,120.40

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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.