Home / 3,864,413.05-5,332,681.70-2,145,422.85

Finding the Fourth Proportional to 3,864,413.05, 5,332,681.70 and 2,145,422.85

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Solution

The fourth proportional to 3,864,413.05, 5,332,681.70 and 2,145,422.85 is: 2,960,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,413.05 : 5,332,681.70 = 2,145,422.85 : x
  2. Step 2: Convert to fraction form
    3,864,413.05/5,332,681.70 = 2,145,422.85/x
  3. Step 3: Cross multiply
    3,864,413.05x = 5,332,681.70 × 2,145,422.85
  4. Step 4: Simplify right side
    3,864,413.05x = 11,440,857,184,307.63
  5. Step 5: Solve for x
    x = 11,440,857,184,307.63/3,864,413.05
  6. Step 6: Final answer
    x = 2,960,567.89

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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.