Home / 2,811,843.78-3,880,346.52-1,522,685.58

Finding the Fourth Proportional to 2,811,843.78, 3,880,346.52 and 1,522,685.58

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Solution

The fourth proportional to 2,811,843.78, 3,880,346.52 and 1,522,685.58 is: 2,101,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,843.78 : 3,880,346.52 = 1,522,685.58 : x
  2. Step 2: Convert to fraction form
    2,811,843.78/3,880,346.52 = 1,522,685.58/x
  3. Step 3: Cross multiply
    2,811,843.78x = 3,880,346.52 × 1,522,685.58
  4. Step 4: Simplify right side
    2,811,843.78x = 5,908,547,691,407.18
  5. Step 5: Solve for x
    x = 5,908,547,691,407.18/2,811,843.78
  6. Step 6: Final answer
    x = 2,101,307.24

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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.