Home / 2,769,831.20-4,154,746.80-876,720.80

Finding the Fourth Proportional to 2,769,831.20, 4,154,746.80 and 876,720.80

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Solution

The fourth proportional to 2,769,831.20, 4,154,746.80 and 876,720.80 is: 1,315,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,831.20 : 4,154,746.80 = 876,720.80 : x
  2. Step 2: Convert to fraction form
    2,769,831.20/4,154,746.80 = 876,720.80/x
  3. Step 3: Cross multiply
    2,769,831.20x = 4,154,746.80 × 876,720.80
  4. Step 4: Simplify right side
    2,769,831.20x = 3,642,552,938,293.44
  5. Step 5: Solve for x
    x = 3,642,552,938,293.44/2,769,831.20
  6. Step 6: Final answer
    x = 1,315,081.20

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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.