Home / 2,447,029.50-3,378,127.68-1,529,768.40

Finding the Fourth Proportional to 2,447,029.50, 3,378,127.68 and 1,529,768.40

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Solution

The fourth proportional to 2,447,029.50, 3,378,127.68 and 1,529,768.40 is: 2,111,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447,029.50 : 3,378,127.68 = 1,529,768.40 : x
  2. Step 2: Convert to fraction form
    2,447,029.50/3,378,127.68 = 1,529,768.40/x
  3. Step 3: Cross multiply
    2,447,029.50x = 3,378,127.68 × 1,529,768.40
  4. Step 4: Simplify right side
    2,447,029.50x = 5,167,752,976,029.31
  5. Step 5: Solve for x
    x = 5,167,752,976,029.31/2,447,029.50
  6. Step 6: Final answer
    x = 2,111,847.44

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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.