Home / 4,919,915.52-7,382,004.68-2,642,783.10

Finding the Fourth Proportional to 4,919,915.52, 7,382,004.68 and 2,642,783.10

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Solution

The fourth proportional to 4,919,915.52, 7,382,004.68 and 2,642,783.10 is: 3,965,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,915.52 : 7,382,004.68 = 2,642,783.10 : x
  2. Step 2: Convert to fraction form
    4,919,915.52/7,382,004.68 = 2,642,783.10/x
  3. Step 3: Cross multiply
    4,919,915.52x = 7,382,004.68 × 2,642,783.10
  4. Step 4: Simplify right side
    4,919,915.52x = 19,509,037,212,424.91
  5. Step 5: Solve for x
    x = 19,509,037,212,424.91/4,919,915.52
  6. Step 6: Final answer
    x = 3,965,319.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.