Home / 3,888,881.24-5,366,656.55-2,146,551.21

Finding the Fourth Proportional to 3,888,881.24, 5,366,656.55 and 2,146,551.21

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Solution

The fourth proportional to 3,888,881.24, 5,366,656.55 and 2,146,551.21 is: 2,962,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,881.24 : 5,366,656.55 = 2,146,551.21 : x
  2. Step 2: Convert to fraction form
    3,888,881.24/5,366,656.55 = 2,146,551.21/x
  3. Step 3: Cross multiply
    3,888,881.24x = 5,366,656.55 × 2,146,551.21
  4. Step 4: Simplify right side
    3,888,881.24x = 11,519,803,116,423.30
  5. Step 5: Solve for x
    x = 11,519,803,116,423.30/3,888,881.24
  6. Step 6: Final answer
    x = 2,962,240.92

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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.