Home / 1,891,316.66-2,836,764.72-676,844.28

Finding the Fourth Proportional to 1,891,316.66, 2,836,764.72 and 676,844.28

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Solution

The fourth proportional to 1,891,316.66, 2,836,764.72 and 676,844.28 is: 1,015,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,316.66 : 2,836,764.72 = 676,844.28 : x
  2. Step 2: Convert to fraction form
    1,891,316.66/2,836,764.72 = 676,844.28/x
  3. Step 3: Cross multiply
    1,891,316.66x = 2,836,764.72 × 676,844.28
  4. Step 4: Simplify right side
    1,891,316.66x = 1,920,047,969,314.80
  5. Step 5: Solve for x
    x = 1,920,047,969,314.80/1,891,316.66
  6. Step 6: Final answer
    x = 1,015,191.17

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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.