Home / 5,302,320.12-7,946,065.64-2,868,218.28

Finding the Fourth Proportional to 5,302,320.12, 7,946,065.64 and 2,868,218.28

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Solution

The fourth proportional to 5,302,320.12, 7,946,065.64 and 2,868,218.28 is: 4,298,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,320.12 : 7,946,065.64 = 2,868,218.28 : x
  2. Step 2: Convert to fraction form
    5,302,320.12/7,946,065.64 = 2,868,218.28/x
  3. Step 3: Cross multiply
    5,302,320.12x = 7,946,065.64 × 2,868,218.28
  4. Step 4: Simplify right side
    5,302,320.12x = 22,791,050,722,727.90
  5. Step 5: Solve for x
    x = 22,791,050,722,727.90/5,302,320.12
  6. Step 6: Final answer
    x = 4,298,316.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.