Home / 3,281,966.54-4,920,400.74-2,126,772.80

Finding the Fourth Proportional to 3,281,966.54, 4,920,400.74 and 2,126,772.80

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Solution

The fourth proportional to 3,281,966.54, 4,920,400.74 and 2,126,772.80 is: 3,188,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,966.54 : 4,920,400.74 = 2,126,772.80 : x
  2. Step 2: Convert to fraction form
    3,281,966.54/4,920,400.74 = 2,126,772.80/x
  3. Step 3: Cross multiply
    3,281,966.54x = 4,920,400.74 × 2,126,772.80
  4. Step 4: Simplify right side
    3,281,966.54x = 10,464,574,458,931.87
  5. Step 5: Solve for x
    x = 10,464,574,458,931.87/3,281,966.54
  6. Step 6: Final answer
    x = 3,188,507.36

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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.