Home / 3,308,987.20-4,963,480.80-2,175,246.40

Finding the Fourth Proportional to 3,308,987.20, 4,963,480.80 and 2,175,246.40

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Solution

The fourth proportional to 3,308,987.20, 4,963,480.80 and 2,175,246.40 is: 3,262,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,987.20 : 4,963,480.80 = 2,175,246.40 : x
  2. Step 2: Convert to fraction form
    3,308,987.20/4,963,480.80 = 2,175,246.40/x
  3. Step 3: Cross multiply
    3,308,987.20x = 4,963,480.80 × 2,175,246.40
  4. Step 4: Simplify right side
    3,308,987.20x = 10,796,793,741,669.12
  5. Step 5: Solve for x
    x = 10,796,793,741,669.12/3,308,987.20
  6. Step 6: Final answer
    x = 3,262,869.60

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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.