Home / 6,485,788.80-9,720,518.40-3,291,796.80

Finding the Fourth Proportional to 6,485,788.80, 9,720,518.40 and 3,291,796.80

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Solution

The fourth proportional to 6,485,788.80, 9,720,518.40 and 3,291,796.80 is: 4,933,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485,788.80 : 9,720,518.40 = 3,291,796.80 : x
  2. Step 2: Convert to fraction form
    6,485,788.80/9,720,518.40 = 3,291,796.80/x
  3. Step 3: Cross multiply
    6,485,788.80x = 9,720,518.40 × 3,291,796.80
  4. Step 4: Simplify right side
    6,485,788.80x = 31,997,971,363,461.12
  5. Step 5: Solve for x
    x = 31,997,971,363,461.12/6,485,788.80
  6. Step 6: Final answer
    x = 4,933,551.24

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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.