Home / 1,921,255.92-2,652,555.96-1,197,167.40

Finding the Fourth Proportional to 1,921,255.92, 2,652,555.96 and 1,197,167.40

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Solution

The fourth proportional to 1,921,255.92, 2,652,555.96 and 1,197,167.40 is: 1,652,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,255.92 : 2,652,555.96 = 1,197,167.40 : x
  2. Step 2: Convert to fraction form
    1,921,255.92/2,652,555.96 = 1,197,167.40/x
  3. Step 3: Cross multiply
    1,921,255.92x = 2,652,555.96 × 1,197,167.40
  4. Step 4: Simplify right side
    1,921,255.92x = 3,175,553,521,987.70
  5. Step 5: Solve for x
    x = 3,175,553,521,987.70/1,921,255.92
  6. Step 6: Final answer
    x = 1,652,852.95

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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.