Home / 2,020,285.05-2,788,052.15-1,102,573.21

Finding the Fourth Proportional to 2,020,285.05, 2,788,052.15 and 1,102,573.21

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Solution

The fourth proportional to 2,020,285.05, 2,788,052.15 and 1,102,573.21 is: 1,521,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,285.05 : 2,788,052.15 = 1,102,573.21 : x
  2. Step 2: Convert to fraction form
    2,020,285.05/2,788,052.15 = 1,102,573.21/x
  3. Step 3: Cross multiply
    2,020,285.05x = 2,788,052.15 × 1,102,573.21
  4. Step 4: Simplify right side
    2,020,285.05x = 3,074,031,608,672.90
  5. Step 5: Solve for x
    x = 3,074,031,608,672.90/2,020,285.05
  6. Step 6: Final answer
    x = 1,521,583.11

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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.