Home / 3,105,689.42-4,284,854.56-1,881,603.66

Finding the Fourth Proportional to 3,105,689.42, 4,284,854.56 and 1,881,603.66

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Solution

The fourth proportional to 3,105,689.42, 4,284,854.56 and 1,881,603.66 is: 2,596,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,689.42 : 4,284,854.56 = 1,881,603.66 : x
  2. Step 2: Convert to fraction form
    3,105,689.42/4,284,854.56 = 1,881,603.66/x
  3. Step 3: Cross multiply
    3,105,689.42x = 4,284,854.56 × 1,881,603.66
  4. Step 4: Simplify right side
    3,105,689.42x = 8,062,398,022,663.69
  5. Step 5: Solve for x
    x = 8,062,398,022,663.69/3,105,689.42
  6. Step 6: Final answer
    x = 2,596,009.11

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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.