Home / 1,535,061.76-2,118,968.85-1,154,194.90

Finding the Fourth Proportional to 1,535,061.76, 2,118,968.85 and 1,154,194.90

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Solution

The fourth proportional to 1,535,061.76, 2,118,968.85 and 1,154,194.90 is: 1,593,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,061.76 : 2,118,968.85 = 1,154,194.90 : x
  2. Step 2: Convert to fraction form
    1,535,061.76/2,118,968.85 = 1,154,194.90/x
  3. Step 3: Cross multiply
    1,535,061.76x = 2,118,968.85 × 1,154,194.90
  4. Step 4: Simplify right side
    1,535,061.76x = 2,445,703,039,928.86
  5. Step 5: Solve for x
    x = 2,445,703,039,928.86/1,535,061.76
  6. Step 6: Final answer
    x = 1,593,227.78

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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.