Home / 3,202,416.96-4,418,898.95-1,912,983.63

Finding the Fourth Proportional to 3,202,416.96, 4,418,898.95 and 1,912,983.63

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Solution

The fourth proportional to 3,202,416.96, 4,418,898.95 and 1,912,983.63 is: 2,639,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,416.96 : 4,418,898.95 = 1,912,983.63 : x
  2. Step 2: Convert to fraction form
    3,202,416.96/4,418,898.95 = 1,912,983.63/x
  3. Step 3: Cross multiply
    3,202,416.96x = 4,418,898.95 × 1,912,983.63
  4. Step 4: Simplify right side
    3,202,416.96x = 8,453,281,344,409.27
  5. Step 5: Solve for x
    x = 8,453,281,344,409.27/3,202,416.96
  6. Step 6: Final answer
    x = 2,639,656.69

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1.5x scale

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.