Home / 3,872,880.96-5,344,545.60-2,130,512.64

Finding the Fourth Proportional to 3,872,880.96, 5,344,545.60 and 2,130,512.64

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Solution

The fourth proportional to 3,872,880.96, 5,344,545.60 and 2,130,512.64 is: 2,940,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,880.96 : 5,344,545.60 = 2,130,512.64 : x
  2. Step 2: Convert to fraction form
    3,872,880.96/5,344,545.60 = 2,130,512.64/x
  3. Step 3: Cross multiply
    3,872,880.96x = 5,344,545.60 × 2,130,512.64
  4. Step 4: Simplify right side
    3,872,880.96x = 11,386,621,955,856.38
  5. Step 5: Solve for x
    x = 11,386,621,955,856.38/3,872,880.96
  6. Step 6: Final answer
    x = 2,940,090.87

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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.