Home / 2,639,643.60-3,964,276.80-2,308,969.20

Finding the Fourth Proportional to 2,639,643.60, 3,964,276.80 and 2,308,969.20

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Solution

The fourth proportional to 2,639,643.60, 3,964,276.80 and 2,308,969.20 is: 3,467,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,643.60 : 3,964,276.80 = 2,308,969.20 : x
  2. Step 2: Convert to fraction form
    2,639,643.60/3,964,276.80 = 2,308,969.20/x
  3. Step 3: Cross multiply
    2,639,643.60x = 3,964,276.80 × 2,308,969.20
  4. Step 4: Simplify right side
    2,639,643.60x = 9,153,393,031,474.56
  5. Step 5: Solve for x
    x = 9,153,393,031,474.56/2,639,643.60
  6. Step 6: Final answer
    x = 3,467,662.46

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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.