Home / 2,240,070.30-3,360,105.45-820,172.70

Finding the Fourth Proportional to 2,240,070.30, 3,360,105.45 and 820,172.70

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Solution

The fourth proportional to 2,240,070.30, 3,360,105.45 and 820,172.70 is: 1,230,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,070.30 : 3,360,105.45 = 820,172.70 : x
  2. Step 2: Convert to fraction form
    2,240,070.30/3,360,105.45 = 820,172.70/x
  3. Step 3: Cross multiply
    2,240,070.30x = 3,360,105.45 × 820,172.70
  4. Step 4: Simplify right side
    2,240,070.30x = 2,755,866,759,211.22
  5. Step 5: Solve for x
    x = 2,755,866,759,211.22/2,240,070.30
  6. Step 6: Final answer
    x = 1,230,259.05

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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.