Home / 1,871,223.56-2,582,290.36-1,011,783.60

Finding the Fourth Proportional to 1,871,223.56, 2,582,290.36 and 1,011,783.60

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Solution

The fourth proportional to 1,871,223.56, 2,582,290.36 and 1,011,783.60 is: 1,396,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,223.56 : 2,582,290.36 = 1,011,783.60 : x
  2. Step 2: Convert to fraction form
    1,871,223.56/2,582,290.36 = 1,011,783.60/x
  3. Step 3: Cross multiply
    1,871,223.56x = 2,582,290.36 × 1,011,783.60
  4. Step 4: Simplify right side
    1,871,223.56x = 2,612,719,036,686.10
  5. Step 5: Solve for x
    x = 2,612,719,036,686.10/1,871,223.56
  6. Step 6: Final answer
    x = 1,396,262.37

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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.