Home / 3,211,829.20-4,813,661.40-1,316,429.20

Finding the Fourth Proportional to 3,211,829.20, 4,813,661.40 and 1,316,429.20

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Solution

The fourth proportional to 3,211,829.20, 4,813,661.40 and 1,316,429.20 is: 1,972,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,829.20 : 4,813,661.40 = 1,316,429.20 : x
  2. Step 2: Convert to fraction form
    3,211,829.20/4,813,661.40 = 1,316,429.20/x
  3. Step 3: Cross multiply
    3,211,829.20x = 4,813,661.40 × 1,316,429.20
  4. Step 4: Simplify right side
    3,211,829.20x = 6,336,844,425,872.88
  5. Step 5: Solve for x
    x = 6,336,844,425,872.88/3,211,829.20
  6. Step 6: Final answer
    x = 1,972,970.55

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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.