Home / 2,143,924.56-2,960,000.28-1,328,994.96

Finding the Fourth Proportional to 2,143,924.56, 2,960,000.28 and 1,328,994.96

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Solution

The fourth proportional to 2,143,924.56, 2,960,000.28 and 1,328,994.96 is: 1,834,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,924.56 : 2,960,000.28 = 1,328,994.96 : x
  2. Step 2: Convert to fraction form
    2,143,924.56/2,960,000.28 = 1,328,994.96/x
  3. Step 3: Cross multiply
    2,143,924.56x = 2,960,000.28 × 1,328,994.96
  4. Step 4: Simplify right side
    2,143,924.56x = 3,933,825,453,718.59
  5. Step 5: Solve for x
    x = 3,933,825,453,718.59/2,143,924.56
  6. Step 6: Final answer
    x = 1,834,871.21

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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.