Home / 1,871,721.81-2,582,976.10-1,012,282.07

Finding the Fourth Proportional to 1,871,721.81, 2,582,976.10 and 1,012,282.07

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Solution

The fourth proportional to 1,871,721.81, 2,582,976.10 and 1,012,282.07 is: 1,396,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,721.81 : 2,582,976.10 = 1,012,282.07 : x
  2. Step 2: Convert to fraction form
    1,871,721.81/2,582,976.10 = 1,012,282.07/x
  3. Step 3: Cross multiply
    1,871,721.81x = 2,582,976.10 × 1,012,282.07
  4. Step 4: Simplify right side
    1,871,721.81x = 2,614,700,393,268.53
  5. Step 5: Solve for x
    x = 2,614,700,393,268.53/1,871,721.81
  6. Step 6: Final answer
    x = 1,396,949.26

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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.