Home / 2,819,319.71-3,890,665.04-1,530,160.11

Finding the Fourth Proportional to 2,819,319.71, 3,890,665.04 and 1,530,160.11

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Solution

The fourth proportional to 2,819,319.71, 3,890,665.04 and 1,530,160.11 is: 2,111,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,319.71 : 3,890,665.04 = 1,530,160.11 : x
  2. Step 2: Convert to fraction form
    2,819,319.71/3,890,665.04 = 1,530,160.11/x
  3. Step 3: Cross multiply
    2,819,319.71x = 3,890,665.04 × 1,530,160.11
  4. Step 4: Simplify right side
    2,819,319.71x = 5,953,340,445,579.56
  5. Step 5: Solve for x
    x = 5,953,340,445,579.56/2,819,319.71
  6. Step 6: Final answer
    x = 2,111,623.04

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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.