Home / 5,382,586.71-8,071,221.60-1,968,299.46

Finding the Fourth Proportional to 5,382,586.71, 8,071,221.60 and 1,968,299.46

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Solution

The fourth proportional to 5,382,586.71, 8,071,221.60 and 1,968,299.46 is: 2,951,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,586.71 : 8,071,221.60 = 1,968,299.46 : x
  2. Step 2: Convert to fraction form
    5,382,586.71/8,071,221.60 = 1,968,299.46/x
  3. Step 3: Cross multiply
    5,382,586.71x = 8,071,221.60 × 1,968,299.46
  4. Step 4: Simplify right side
    5,382,586.71x = 15,886,581,116,820.34
  5. Step 5: Solve for x
    x = 15,886,581,116,820.34/5,382,586.71
  6. Step 6: Final answer
    x = 2,951,477.04

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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.