Home / 3,237,998.32-4,468,348.74-1,787,667.40

Finding the Fourth Proportional to 3,237,998.32, 4,468,348.74 and 1,787,667.40

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Solution

The fourth proportional to 3,237,998.32, 4,468,348.74 and 1,787,667.40 is: 2,466,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,998.32 : 4,468,348.74 = 1,787,667.40 : x
  2. Step 2: Convert to fraction form
    3,237,998.32/4,468,348.74 = 1,787,667.40/x
  3. Step 3: Cross multiply
    3,237,998.32x = 4,468,348.74 × 1,787,667.40
  4. Step 4: Simplify right side
    3,237,998.32x = 7,987,921,374,329.08
  5. Step 5: Solve for x
    x = 7,987,921,374,329.08/3,237,998.32
  6. Step 6: Final answer
    x = 2,466,931.91

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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.