Home / 2,070,776.80-3,107,331.60-808,440.40

Finding the Fourth Proportional to 2,070,776.80, 3,107,331.60 and 808,440.40

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Solution

The fourth proportional to 2,070,776.80, 3,107,331.60 and 808,440.40 is: 1,213,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,776.80 : 3,107,331.60 = 808,440.40 : x
  2. Step 2: Convert to fraction form
    2,070,776.80/3,107,331.60 = 808,440.40/x
  3. Step 3: Cross multiply
    2,070,776.80x = 3,107,331.60 × 808,440.40
  4. Step 4: Simplify right side
    2,070,776.80x = 2,512,092,401,636.64
  5. Step 5: Solve for x
    x = 2,512,092,401,636.64/2,070,776.80
  6. Step 6: Final answer
    x = 1,213,115.97

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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.