Home / 2,220,253.20-3,330,379.80-1,208,984.40

Finding the Fourth Proportional to 2,220,253.20, 3,330,379.80 and 1,208,984.40

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Solution

The fourth proportional to 2,220,253.20, 3,330,379.80 and 1,208,984.40 is: 1,813,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,253.20 : 3,330,379.80 = 1,208,984.40 : x
  2. Step 2: Convert to fraction form
    2,220,253.20/3,330,379.80 = 1,208,984.40/x
  3. Step 3: Cross multiply
    2,220,253.20x = 3,330,379.80 × 1,208,984.40
  4. Step 4: Simplify right side
    2,220,253.20x = 4,026,377,224,275.12
  5. Step 5: Solve for x
    x = 4,026,377,224,275.12/2,220,253.20
  6. Step 6: Final answer
    x = 1,813,476.60

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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.