Home / 2,152,521.17-3,228,785.85-2,020,989.52

Finding the Fourth Proportional to 2,152,521.17, 3,228,785.85 and 2,020,989.52

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Solution

The fourth proportional to 2,152,521.17, 3,228,785.85 and 2,020,989.52 is: 3,031,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,521.17 : 3,228,785.85 = 2,020,989.52 : x
  2. Step 2: Convert to fraction form
    2,152,521.17/3,228,785.85 = 2,020,989.52/x
  3. Step 3: Cross multiply
    2,152,521.17x = 3,228,785.85 × 2,020,989.52
  4. Step 4: Simplify right side
    2,152,521.17x = 6,525,342,376,788.99
  5. Step 5: Solve for x
    x = 6,525,342,376,788.99/2,152,521.17
  6. Step 6: Final answer
    x = 3,031,488.13

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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.