Home / 1,891,094.57-2,821,892.16-1,687,289.55

Finding the Fourth Proportional to 1,891,094.57, 2,821,892.16 and 1,687,289.55

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Solution

The fourth proportional to 1,891,094.57, 2,821,892.16 and 1,687,289.55 is: 2,517,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,094.57 : 2,821,892.16 = 1,687,289.55 : x
  2. Step 2: Convert to fraction form
    1,891,094.57/2,821,892.16 = 1,687,289.55/x
  3. Step 3: Cross multiply
    1,891,094.57x = 2,821,892.16 × 1,687,289.55
  4. Step 4: Simplify right side
    1,891,094.57x = 4,761,349,152,794.93
  5. Step 5: Solve for x
    x = 4,761,349,152,794.93/1,891,094.57
  6. Step 6: Final answer
    x = 2,517,774.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.