Home / 2,165,373.75-2,988,179.53-1,198,483.35

Finding the Fourth Proportional to 2,165,373.75, 2,988,179.53 and 1,198,483.35

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Solution

The fourth proportional to 2,165,373.75, 2,988,179.53 and 1,198,483.35 is: 1,653,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,373.75 : 2,988,179.53 = 1,198,483.35 : x
  2. Step 2: Convert to fraction form
    2,165,373.75/2,988,179.53 = 1,198,483.35/x
  3. Step 3: Cross multiply
    2,165,373.75x = 2,988,179.53 × 1,198,483.35
  4. Step 4: Simplify right side
    2,165,373.75x = 3,581,283,413,515.83
  5. Step 5: Solve for x
    x = 3,581,283,413,515.83/2,165,373.75
  6. Step 6: Final answer
    x = 1,653,886.96

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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.