Home / 5,148,017.40-7,105,116.78-2,856,914.04

Finding the Fourth Proportional to 5,148,017.40, 7,105,116.78 and 2,856,914.04

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Solution

The fourth proportional to 5,148,017.40, 7,105,116.78 and 2,856,914.04 is: 3,943,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,017.40 : 7,105,116.78 = 2,856,914.04 : x
  2. Step 2: Convert to fraction form
    5,148,017.40/7,105,116.78 = 2,856,914.04/x
  3. Step 3: Cross multiply
    5,148,017.40x = 7,105,116.78 × 2,856,914.04
  4. Step 4: Simplify right side
    5,148,017.40x = 20,298,707,884,621.59
  5. Step 5: Solve for x
    x = 20,298,707,884,621.59/5,148,017.40
  6. Step 6: Final answer
    x = 3,943,014.62

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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.