Home / 1,912,411.08-2,867,947.92-564,215.76

Finding the Fourth Proportional to 1,912,411.08, 2,867,947.92 and 564,215.76

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Solution

The fourth proportional to 1,912,411.08, 2,867,947.92 and 564,215.76 is: 846,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,411.08 : 2,867,947.92 = 564,215.76 : x
  2. Step 2: Convert to fraction form
    1,912,411.08/2,867,947.92 = 564,215.76/x
  3. Step 3: Cross multiply
    1,912,411.08x = 2,867,947.92 × 564,215.76
  4. Step 4: Simplify right side
    1,912,411.08x = 1,618,141,415,323.22
  5. Step 5: Solve for x
    x = 1,618,141,415,323.22/1,912,411.08
  6. Step 6: Final answer
    x = 846,126.35

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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.