Home / 1,871,278.20-2,582,324.55-1,107,577.80

Finding the Fourth Proportional to 1,871,278.20, 2,582,324.55 and 1,107,577.80

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Solution

The fourth proportional to 1,871,278.20, 2,582,324.55 and 1,107,577.80 is: 1,528,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,278.20 : 2,582,324.55 = 1,107,577.80 : x
  2. Step 2: Convert to fraction form
    1,871,278.20/2,582,324.55 = 1,107,577.80/x
  3. Step 3: Cross multiply
    1,871,278.20x = 2,582,324.55 × 1,107,577.80
  4. Step 4: Simplify right side
    1,871,278.20x = 2,860,125,343,974.99
  5. Step 5: Solve for x
    x = 2,860,125,343,974.99/1,871,278.20
  6. Step 6: Final answer
    x = 1,528,434.06

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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.