Home / 2,197,916.40-3,295,890.45-999,221.70

Finding the Fourth Proportional to 2,197,916.40, 3,295,890.45 and 999,221.70

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Solution

The fourth proportional to 2,197,916.40, 3,295,890.45 and 999,221.70 is: 1,498,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,916.40 : 3,295,890.45 = 999,221.70 : x
  2. Step 2: Convert to fraction form
    2,197,916.40/3,295,890.45 = 999,221.70/x
  3. Step 3: Cross multiply
    2,197,916.40x = 3,295,890.45 × 999,221.70
  4. Step 4: Simplify right side
    2,197,916.40x = 3,293,325,258,462.77
  5. Step 5: Solve for x
    x = 3,293,325,258,462.77/2,197,916.40
  6. Step 6: Final answer
    x = 1,498,385.13

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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.