Home / 2,851,076.79-4,277,339.73-829,320.71

Finding the Fourth Proportional to 2,851,076.79, 4,277,339.73 and 829,320.71

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Solution

The fourth proportional to 2,851,076.79, 4,277,339.73 and 829,320.71 is: 1,244,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,076.79 : 4,277,339.73 = 829,320.71 : x
  2. Step 2: Convert to fraction form
    2,851,076.79/4,277,339.73 = 829,320.71/x
  3. Step 3: Cross multiply
    2,851,076.79x = 4,277,339.73 × 829,320.71
  4. Step 4: Simplify right side
    2,851,076.79x = 3,547,286,400,408.11
  5. Step 5: Solve for x
    x = 3,547,286,400,408.11/2,851,076.79
  6. Step 6: Final answer
    x = 1,244,191.81

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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.