Home / 5,821,721.20-8,732,581.80-5,575,999.60

Finding the Fourth Proportional to 5,821,721.20, 8,732,581.80 and 5,575,999.60

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Solution

The fourth proportional to 5,821,721.20, 8,732,581.80 and 5,575,999.60 is: 8,363,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821,721.20 : 8,732,581.80 = 5,575,999.60 : x
  2. Step 2: Convert to fraction form
    5,821,721.20/8,732,581.80 = 5,575,999.60/x
  3. Step 3: Cross multiply
    5,821,721.20x = 8,732,581.80 × 5,575,999.60
  4. Step 4: Simplify right side
    5,821,721.20x = 48,692,872,623,767.28
  5. Step 5: Solve for x
    x = 48,692,872,623,767.28/5,821,721.20
  6. Step 6: Final answer
    x = 8,363,999.40

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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.