Home / 1,913,871.15-2,871,338.76-834,478.05

Finding the Fourth Proportional to 1,913,871.15, 2,871,338.76 and 834,478.05

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Solution

The fourth proportional to 1,913,871.15, 2,871,338.76 and 834,478.05 is: 1,251,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,871.15 : 2,871,338.76 = 834,478.05 : x
  2. Step 2: Convert to fraction form
    1,913,871.15/2,871,338.76 = 834,478.05/x
  3. Step 3: Cross multiply
    1,913,871.15x = 2,871,338.76 × 834,478.05
  4. Step 4: Simplify right side
    1,913,871.15x = 2,396,069,169,334.22
  5. Step 5: Solve for x
    x = 2,396,069,169,334.22/1,913,871.15
  6. Step 6: Final answer
    x = 1,251,949.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.