Home / 2,160,331.20-3,240,574.56-812,370.24

Finding the Fourth Proportional to 2,160,331.20, 3,240,574.56 and 812,370.24

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Solution

The fourth proportional to 2,160,331.20, 3,240,574.56 and 812,370.24 is: 1,218,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,331.20 : 3,240,574.56 = 812,370.24 : x
  2. Step 2: Convert to fraction form
    2,160,331.20/3,240,574.56 = 812,370.24/x
  3. Step 3: Cross multiply
    2,160,331.20x = 3,240,574.56 × 812,370.24
  4. Step 4: Simplify right side
    2,160,331.20x = 2,632,546,333,045.09
  5. Step 5: Solve for x
    x = 2,632,546,333,045.09/2,160,331.20
  6. Step 6: Final answer
    x = 1,218,584.60

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1.5x scale

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.