Home / 6,413,894.81-9,619,639.36-3,218,162.93

Finding the Fourth Proportional to 6,413,894.81, 9,619,639.36 and 3,218,162.93

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Solution

The fourth proportional to 6,413,894.81, 9,619,639.36 and 3,218,162.93 is: 4,826,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,894.81 : 9,619,639.36 = 3,218,162.93 : x
  2. Step 2: Convert to fraction form
    6,413,894.81/9,619,639.36 = 3,218,162.93/x
  3. Step 3: Cross multiply
    6,413,894.81x = 9,619,639.36 × 3,218,162.93
  4. Step 4: Simplify right side
    6,413,894.81x = 30,957,566,788,320.93
  5. Step 5: Solve for x
    x = 30,957,566,788,320.93/6,413,894.81
  6. Step 6: Final answer
    x = 4,826,640.86

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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.