Home / 1,871,370.70-2,582,489.67-1,011,928.78

Finding the Fourth Proportional to 1,871,370.70, 2,582,489.67 and 1,011,928.78

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Solution

The fourth proportional to 1,871,370.70, 2,582,489.67 and 1,011,928.78 is: 1,396,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,370.70 : 2,582,489.67 = 1,011,928.78 : x
  2. Step 2: Convert to fraction form
    1,871,370.70/2,582,489.67 = 1,011,928.78/x
  3. Step 3: Cross multiply
    1,871,370.70x = 2,582,489.67 × 1,011,928.78
  4. Step 4: Simplify right side
    1,871,370.70x = 2,613,295,621,125.70
  5. Step 5: Solve for x
    x = 2,613,295,621,125.70/1,871,370.70
  6. Step 6: Final answer
    x = 1,396,460.69

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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.