Home / 1,871,281-2,582,365.96-1,011,839.20

Finding the Fourth Proportional to 1,871,281, 2,582,365.96 and 1,011,839.20

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Solution

The fourth proportional to 1,871,281, 2,582,365.96 and 1,011,839.20 is: 1,396,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,281 : 2,582,365.96 = 1,011,839.20 : x
  2. Step 2: Convert to fraction form
    1,871,281/2,582,365.96 = 1,011,839.20/x
  3. Step 3: Cross multiply
    1,871,281x = 2,582,365.96 × 1,011,839.20
  4. Step 4: Simplify right side
    1,871,281x = 2,612,939,107,073.63
  5. Step 5: Solve for x
    x = 2,612,939,107,073.63/1,871,281
  6. Step 6: Final answer
    x = 1,396,337.11

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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.