Home / 4,989,653.78-6,885,708.48-2,784,493.02

Finding the Fourth Proportional to 4,989,653.78, 6,885,708.48 and 2,784,493.02

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Solution

The fourth proportional to 4,989,653.78, 6,885,708.48 and 2,784,493.02 is: 3,842,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,653.78 : 6,885,708.48 = 2,784,493.02 : x
  2. Step 2: Convert to fraction form
    4,989,653.78/6,885,708.48 = 2,784,493.02/x
  3. Step 3: Cross multiply
    4,989,653.78x = 6,885,708.48 × 2,784,493.02
  4. Step 4: Simplify right side
    4,989,653.78x = 19,173,207,226,136.22
  5. Step 5: Solve for x
    x = 19,173,207,226,136.22/4,989,653.78
  6. Step 6: Final answer
    x = 3,842,592.71

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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.