Home / 3,155,915.86-4,354,100.13-1,796,826.58

Finding the Fourth Proportional to 3,155,915.86, 4,354,100.13 and 1,796,826.58

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Solution

The fourth proportional to 3,155,915.86, 4,354,100.13 and 1,796,826.58 is: 2,479,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,915.86 : 4,354,100.13 = 1,796,826.58 : x
  2. Step 2: Convert to fraction form
    3,155,915.86/4,354,100.13 = 1,796,826.58/x
  3. Step 3: Cross multiply
    3,155,915.86x = 4,354,100.13 × 1,796,826.58
  4. Step 4: Simplify right side
    3,155,915.86x = 7,823,562,845,565.46
  5. Step 5: Solve for x
    x = 7,823,562,845,565.46/3,155,915.86
  6. Step 6: Final answer
    x = 2,479,015.03

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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.