Home / 3,881,763.74-5,356,855.21-2,251,137.91

Finding the Fourth Proportional to 3,881,763.74, 5,356,855.21 and 2,251,137.91

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Solution

The fourth proportional to 3,881,763.74, 5,356,855.21 and 2,251,137.91 is: 3,106,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,763.74 : 5,356,855.21 = 2,251,137.91 : x
  2. Step 2: Convert to fraction form
    3,881,763.74/5,356,855.21 = 2,251,137.91/x
  3. Step 3: Cross multiply
    3,881,763.74x = 5,356,855.21 × 2,251,137.91
  4. Step 4: Simplify right side
    3,881,763.74x = 12,059,019,841,612.01
  5. Step 5: Solve for x
    x = 12,059,019,841,612.01/3,881,763.74
  6. Step 6: Final answer
    x = 3,106,582.64

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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.