Home / 2,847,430.11-3,931,287.46-2,540,979.47

Finding the Fourth Proportional to 2,847,430.11, 3,931,287.46 and 2,540,979.47

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Solution

The fourth proportional to 2,847,430.11, 3,931,287.46 and 2,540,979.47 is: 3,508,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,430.11 : 3,931,287.46 = 2,540,979.47 : x
  2. Step 2: Convert to fraction form
    2,847,430.11/3,931,287.46 = 2,540,979.47/x
  3. Step 3: Cross multiply
    2,847,430.11x = 3,931,287.46 × 2,540,979.47
  4. Step 4: Simplify right side
    2,847,430.11x = 9,989,320,726,528.45
  5. Step 5: Solve for x
    x = 9,989,320,726,528.45/2,847,430.11
  6. Step 6: Final answer
    x = 3,508,188.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.