Home / 5,207,253.50-7,812,127.32-2,172,931.44

Finding the Fourth Proportional to 5,207,253.50, 7,812,127.32 and 2,172,931.44

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Solution

The fourth proportional to 5,207,253.50, 7,812,127.32 and 2,172,931.44 is: 3,259,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,253.50 : 7,812,127.32 = 2,172,931.44 : x
  2. Step 2: Convert to fraction form
    5,207,253.50/7,812,127.32 = 2,172,931.44/x
  3. Step 3: Cross multiply
    5,207,253.50x = 7,812,127.32 × 2,172,931.44
  4. Step 4: Simplify right side
    5,207,253.50x = 16,975,217,066,910.94
  5. Step 5: Solve for x
    x = 16,975,217,066,910.94/5,207,253.50
  6. Step 6: Final answer
    x = 3,259,917.55

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1.5x scale

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.