Home / 1,651,894.12-2,279,614.72-916,848.71

Finding the Fourth Proportional to 1,651,894.12, 2,279,614.72 and 916,848.71

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Solution

The fourth proportional to 1,651,894.12, 2,279,614.72 and 916,848.71 is: 1,265,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,894.12 : 2,279,614.72 = 916,848.71 : x
  2. Step 2: Convert to fraction form
    1,651,894.12/2,279,614.72 = 916,848.71/x
  3. Step 3: Cross multiply
    1,651,894.12x = 2,279,614.72 × 916,848.71
  4. Step 4: Simplify right side
    1,651,894.12x = 2,090,061,808,317.66
  5. Step 5: Solve for x
    x = 2,090,061,808,317.66/1,651,894.12
  6. Step 6: Final answer
    x = 1,265,251.68

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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.