Home / 1,639,702.32-2,454,508.88-1,069,856.40

Finding the Fourth Proportional to 1,639,702.32, 2,454,508.88 and 1,069,856.40

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Solution

The fourth proportional to 1,639,702.32, 2,454,508.88 and 1,069,856.40 is: 1,601,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,702.32 : 2,454,508.88 = 1,069,856.40 : x
  2. Step 2: Convert to fraction form
    1,639,702.32/2,454,508.88 = 1,069,856.40/x
  3. Step 3: Cross multiply
    1,639,702.32x = 2,454,508.88 × 1,069,856.40
  4. Step 4: Simplify right side
    1,639,702.32x = 2,625,972,034,124.83
  5. Step 5: Solve for x
    x = 2,625,972,034,124.83/1,639,702.32
  6. Step 6: Final answer
    x = 1,601,493.15

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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.