Home / 2,190,960.60-3,286,440.90-771,005.40

Finding the Fourth Proportional to 2,190,960.60, 3,286,440.90 and 771,005.40

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Solution

The fourth proportional to 2,190,960.60, 3,286,440.90 and 771,005.40 is: 1,156,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,960.60 : 3,286,440.90 = 771,005.40 : x
  2. Step 2: Convert to fraction form
    2,190,960.60/3,286,440.90 = 771,005.40/x
  3. Step 3: Cross multiply
    2,190,960.60x = 3,286,440.90 × 771,005.40
  4. Step 4: Simplify right side
    2,190,960.60x = 2,533,863,680,680.86
  5. Step 5: Solve for x
    x = 2,533,863,680,680.86/2,190,960.60
  6. Step 6: Final answer
    x = 1,156,508.10

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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.