Home / 1,591,314.66-2,196,061.61-979,820.28

Finding the Fourth Proportional to 1,591,314.66, 2,196,061.61 and 979,820.28

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Solution

The fourth proportional to 1,591,314.66, 2,196,061.61 and 979,820.28 is: 1,352,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,314.66 : 2,196,061.61 = 979,820.28 : x
  2. Step 2: Convert to fraction form
    1,591,314.66/2,196,061.61 = 979,820.28/x
  3. Step 3: Cross multiply
    1,591,314.66x = 2,196,061.61 × 979,820.28
  4. Step 4: Simplify right side
    1,591,314.66x = 2,151,745,696,708.35
  5. Step 5: Solve for x
    x = 2,151,745,696,708.35/1,591,314.66
  6. Step 6: Final answer
    x = 1,352,181.16

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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.