Home / 1,871,721.60-2,582,975.80-1,012,281.85

Finding the Fourth Proportional to 1,871,721.60, 2,582,975.80 and 1,012,281.85

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Solution

The fourth proportional to 1,871,721.60, 2,582,975.80 and 1,012,281.85 is: 1,396,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,721.60 : 2,582,975.80 = 1,012,281.85 : x
  2. Step 2: Convert to fraction form
    1,871,721.60/2,582,975.80 = 1,012,281.85/x
  3. Step 3: Cross multiply
    1,871,721.60x = 2,582,975.80 × 1,012,281.85
  4. Step 4: Simplify right side
    1,871,721.60x = 2,614,699,516,267.82
  5. Step 5: Solve for x
    x = 2,614,699,516,267.82/1,871,721.60
  6. Step 6: Final answer
    x = 1,396,948.95

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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.