Home / 2,185,737.08-3,016,330.29-1,218,928.46

Finding the Fourth Proportional to 2,185,737.08, 3,016,330.29 and 1,218,928.46

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Solution

The fourth proportional to 2,185,737.08, 3,016,330.29 and 1,218,928.46 is: 1,682,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,737.08 : 3,016,330.29 = 1,218,928.46 : x
  2. Step 2: Convert to fraction form
    2,185,737.08/3,016,330.29 = 1,218,928.46/x
  3. Step 3: Cross multiply
    2,185,737.08x = 3,016,330.29 × 1,218,928.46
  4. Step 4: Simplify right side
    2,185,737.08x = 3,676,690,820,159.40
  5. Step 5: Solve for x
    x = 3,676,690,820,159.40/2,185,737.08
  6. Step 6: Final answer
    x = 1,682,128.59

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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.