Home / 2,307,315.52-3,184,161.06-1,288,785.88

Finding the Fourth Proportional to 2,307,315.52, 3,184,161.06 and 1,288,785.88

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Solution

The fourth proportional to 2,307,315.52, 3,184,161.06 and 1,288,785.88 is: 1,778,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307,315.52 : 3,184,161.06 = 1,288,785.88 : x
  2. Step 2: Convert to fraction form
    2,307,315.52/3,184,161.06 = 1,288,785.88/x
  3. Step 3: Cross multiply
    2,307,315.52x = 3,184,161.06 × 1,288,785.88
  4. Step 4: Simplify right side
    2,307,315.52x = 4,103,701,813,773.83
  5. Step 5: Solve for x
    x = 4,103,701,813,773.83/2,307,315.52
  6. Step 6: Final answer
    x = 1,778,561.18

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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.