Home / 4,261,955.20-6,392,932.80-2,669,430.40

Finding the Fourth Proportional to 4,261,955.20, 6,392,932.80 and 2,669,430.40

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Solution

The fourth proportional to 4,261,955.20, 6,392,932.80 and 2,669,430.40 is: 4,004,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261,955.20 : 6,392,932.80 = 2,669,430.40 : x
  2. Step 2: Convert to fraction form
    4,261,955.20/6,392,932.80 = 2,669,430.40/x
  3. Step 3: Cross multiply
    4,261,955.20x = 6,392,932.80 × 2,669,430.40
  4. Step 4: Simplify right side
    4,261,955.20x = 17,065,489,161,477.12
  5. Step 5: Solve for x
    x = 17,065,489,161,477.12/4,261,955.20
  6. Step 6: Final answer
    x = 4,004,145.60

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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.