Home / 3,158,710.92-4,359,021.75-1,782,346.77

Finding the Fourth Proportional to 3,158,710.92, 4,359,021.75 and 1,782,346.77

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Solution

The fourth proportional to 3,158,710.92, 4,359,021.75 and 1,782,346.77 is: 2,459,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,710.92 : 4,359,021.75 = 1,782,346.77 : x
  2. Step 2: Convert to fraction form
    3,158,710.92/4,359,021.75 = 1,782,346.77/x
  3. Step 3: Cross multiply
    3,158,710.92x = 4,359,021.75 × 1,782,346.77
  4. Step 4: Simplify right side
    3,158,710.92x = 7,769,288,336,472.25
  5. Step 5: Solve for x
    x = 7,769,288,336,472.25/3,158,710.92
  6. Step 6: Final answer
    x = 2,459,638.93

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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.