Home / 2,819,316.71-3,890,660.90-1,530,157.11

Finding the Fourth Proportional to 2,819,316.71, 3,890,660.90 and 1,530,157.11

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Solution

The fourth proportional to 2,819,316.71, 3,890,660.90 and 1,530,157.11 is: 2,111,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,316.71 : 3,890,660.90 = 1,530,157.11 : x
  2. Step 2: Convert to fraction form
    2,819,316.71/3,890,660.90 = 1,530,157.11/x
  3. Step 3: Cross multiply
    2,819,316.71x = 3,890,660.90 × 1,530,157.11
  4. Step 4: Simplify right side
    2,819,316.71x = 5,953,322,438,734.00
  5. Step 5: Solve for x
    x = 5,953,322,438,734.00/2,819,316.71
  6. Step 6: Final answer
    x = 2,111,618.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.