Home / 5,192,976-7,165,931.43-2,869,840.72

Finding the Fourth Proportional to 5,192,976, 7,165,931.43 and 2,869,840.72

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Solution

The fourth proportional to 5,192,976, 7,165,931.43 and 2,869,840.72 is: 3,960,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,976 : 7,165,931.43 = 2,869,840.72 : x
  2. Step 2: Convert to fraction form
    5,192,976/7,165,931.43 = 2,869,840.72/x
  3. Step 3: Cross multiply
    5,192,976x = 7,165,931.43 × 2,869,840.72
  4. Step 4: Simplify right side
    5,192,976x = 20,565,081,796,627
  5. Step 5: Solve for x
    x = 20,565,081,796,627/5,192,976
  6. Step 6: Final answer
    x = 3,960,172.70

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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.