Home / 1,871,278-2,582,361.84-1,011,836.20

Finding the Fourth Proportional to 1,871,278, 2,582,361.84 and 1,011,836.20

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Solution

The fourth proportional to 1,871,278, 2,582,361.84 and 1,011,836.20 is: 1,396,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,278 : 2,582,361.84 = 1,011,836.20 : x
  2. Step 2: Convert to fraction form
    1,871,278/2,582,361.84 = 1,011,836.20/x
  3. Step 3: Cross multiply
    1,871,278x = 2,582,361.84 × 1,011,836.20
  4. Step 4: Simplify right side
    1,871,278x = 2,612,927,191,210.61
  5. Step 5: Solve for x
    x = 2,612,927,191,210.61/1,871,278
  6. Step 6: Final answer
    x = 1,396,332.98

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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.