Home / 3,871,883.04-5,342,979.10-2,152,966.65

Finding the Fourth Proportional to 3,871,883.04, 5,342,979.10 and 2,152,966.65

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Solution

The fourth proportional to 3,871,883.04, 5,342,979.10 and 2,152,966.65 is: 2,970,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,883.04 : 5,342,979.10 = 2,152,966.65 : x
  2. Step 2: Convert to fraction form
    3,871,883.04/5,342,979.10 = 2,152,966.65/x
  3. Step 3: Cross multiply
    3,871,883.04x = 5,342,979.10 × 2,152,966.65
  4. Step 4: Simplify right side
    3,871,883.04x = 11,503,255,813,947.01
  5. Step 5: Solve for x
    x = 11,503,255,813,947.01/3,871,883.04
  6. Step 6: Final answer
    x = 2,970,971.93

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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.