Home / 3,881,762.74-5,356,853.83-2,251,136.91

Finding the Fourth Proportional to 3,881,762.74, 5,356,853.83 and 2,251,136.91

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Solution

The fourth proportional to 3,881,762.74, 5,356,853.83 and 2,251,136.91 is: 3,106,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,762.74 : 5,356,853.83 = 2,251,136.91 : x
  2. Step 2: Convert to fraction form
    3,881,762.74/5,356,853.83 = 2,251,136.91/x
  3. Step 3: Cross multiply
    3,881,762.74x = 5,356,853.83 × 2,251,136.91
  4. Step 4: Simplify right side
    3,881,762.74x = 12,059,011,378,187.87
  5. Step 5: Solve for x
    x = 12,059,011,378,187.87/3,881,762.74
  6. Step 6: Final answer
    x = 3,106,581.26

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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.