Home / 2,182,889.12-2,990,572.62-2,101,072.91

Finding the Fourth Proportional to 2,182,889.12, 2,990,572.62 and 2,101,072.91

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Solution

The fourth proportional to 2,182,889.12, 2,990,572.62 and 2,101,072.91 is: 2,878,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,889.12 : 2,990,572.62 = 2,101,072.91 : x
  2. Step 2: Convert to fraction form
    2,182,889.12/2,990,572.62 = 2,101,072.91/x
  3. Step 3: Cross multiply
    2,182,889.12x = 2,990,572.62 × 2,101,072.91
  4. Step 4: Simplify right side
    2,182,889.12x = 6,283,411,117,269.73
  5. Step 5: Solve for x
    x = 6,283,411,117,269.73/2,182,889.12
  6. Step 6: Final answer
    x = 2,878,483.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.