Home / 3,221,656.80-4,832,485.20-977,791.20

Finding the Fourth Proportional to 3,221,656.80, 4,832,485.20 and 977,791.20

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Solution

The fourth proportional to 3,221,656.80, 4,832,485.20 and 977,791.20 is: 1,466,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,656.80 : 4,832,485.20 = 977,791.20 : x
  2. Step 2: Convert to fraction form
    3,221,656.80/4,832,485.20 = 977,791.20/x
  3. Step 3: Cross multiply
    3,221,656.80x = 4,832,485.20 × 977,791.20
  4. Step 4: Simplify right side
    3,221,656.80x = 4,725,161,502,690.24
  5. Step 5: Solve for x
    x = 4,725,161,502,690.24/3,221,656.80
  6. Step 6: Final answer
    x = 1,466,686.80

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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.