Home / 4,320,020.80-6,480,031.20-3,480,212.80

Finding the Fourth Proportional to 4,320,020.80, 6,480,031.20 and 3,480,212.80

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Solution

The fourth proportional to 4,320,020.80, 6,480,031.20 and 3,480,212.80 is: 5,220,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,020.80 : 6,480,031.20 = 3,480,212.80 : x
  2. Step 2: Convert to fraction form
    4,320,020.80/6,480,031.20 = 3,480,212.80/x
  3. Step 3: Cross multiply
    4,320,020.80x = 6,480,031.20 × 3,480,212.80
  4. Step 4: Simplify right side
    4,320,020.80x = 22,551,887,526,639.36
  5. Step 5: Solve for x
    x = 22,551,887,526,639.36/4,320,020.80
  6. Step 6: Final answer
    x = 5,220,319.20

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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.