Home / 1,470,872.52-2,029,890.78-1,107,655.56

Finding the Fourth Proportional to 1,470,872.52, 2,029,890.78 and 1,107,655.56

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Solution

The fourth proportional to 1,470,872.52, 2,029,890.78 and 1,107,655.56 is: 1,528,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,872.52 : 2,029,890.78 = 1,107,655.56 : x
  2. Step 2: Convert to fraction form
    1,470,872.52/2,029,890.78 = 1,107,655.56/x
  3. Step 3: Cross multiply
    1,470,872.52x = 2,029,890.78 × 1,107,655.56
  4. Step 4: Simplify right side
    1,470,872.52x = 2,248,419,808,659.74
  5. Step 5: Solve for x
    x = 2,248,419,808,659.74/1,470,872.52
  6. Step 6: Final answer
    x = 1,528,629.96

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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.