Home / 2,159,711.44-3,240,167.90-945,071.64

Finding the Fourth Proportional to 2,159,711.44, 3,240,167.90 and 945,071.64

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Solution

The fourth proportional to 2,159,711.44, 3,240,167.90 and 945,071.64 is: 1,417,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,711.44 : 3,240,167.90 = 945,071.64 : x
  2. Step 2: Convert to fraction form
    2,159,711.44/3,240,167.90 = 945,071.64/x
  3. Step 3: Cross multiply
    2,159,711.44x = 3,240,167.90 × 945,071.64
  4. Step 4: Simplify right side
    2,159,711.44x = 3,062,190,791,128.36
  5. Step 5: Solve for x
    x = 3,062,190,791,128.36/2,159,711.44
  6. Step 6: Final answer
    x = 1,417,870.34

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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.