Home / 2,038,765.70-3,059,132.70-1,438,434.20

Finding the Fourth Proportional to 2,038,765.70, 3,059,132.70 and 1,438,434.20

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Solution

The fourth proportional to 2,038,765.70, 3,059,132.70 and 1,438,434.20 is: 2,158,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,765.70 : 3,059,132.70 = 1,438,434.20 : x
  2. Step 2: Convert to fraction form
    2,038,765.70/3,059,132.70 = 1,438,434.20/x
  3. Step 3: Cross multiply
    2,038,765.70x = 3,059,132.70 × 1,438,434.20
  4. Step 4: Simplify right side
    2,038,765.70x = 4,400,361,098,018.34
  5. Step 5: Solve for x
    x = 4,400,361,098,018.34/2,038,765.70
  6. Step 6: Final answer
    x = 2,158,345.66

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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.