Home / 2,616,988.70-3,919,184.31-1,772,981.66

Finding the Fourth Proportional to 2,616,988.70, 3,919,184.31 and 1,772,981.66

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Solution

The fourth proportional to 2,616,988.70, 3,919,184.31 and 1,772,981.66 is: 2,655,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,988.70 : 3,919,184.31 = 1,772,981.66 : x
  2. Step 2: Convert to fraction form
    2,616,988.70/3,919,184.31 = 1,772,981.66/x
  3. Step 3: Cross multiply
    2,616,988.70x = 3,919,184.31 × 1,772,981.66
  4. Step 4: Simplify right side
    2,616,988.70x = 6,948,641,903,789.75
  5. Step 5: Solve for x
    x = 6,948,641,903,789.75/2,616,988.70
  6. Step 6: Final answer
    x = 2,655,205.16

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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.