Home / 1,718,221.12-2,371,006.40-993,115.80

Finding the Fourth Proportional to 1,718,221.12, 2,371,006.40 and 993,115.80

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Solution

The fourth proportional to 1,718,221.12, 2,371,006.40 and 993,115.80 is: 1,370,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,221.12 : 2,371,006.40 = 993,115.80 : x
  2. Step 2: Convert to fraction form
    1,718,221.12/2,371,006.40 = 993,115.80/x
  3. Step 3: Cross multiply
    1,718,221.12x = 2,371,006.40 × 993,115.80
  4. Step 4: Simplify right side
    1,718,221.12x = 2,354,683,917,741.12
  5. Step 5: Solve for x
    x = 2,354,683,917,741.12/1,718,221.12
  6. Step 6: Final answer
    x = 1,370,419.61

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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.