Home / 1,536,375.34-2,119,347.20-1,078,173.72

Finding the Fourth Proportional to 1,536,375.34, 2,119,347.20 and 1,078,173.72

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Solution

The fourth proportional to 1,536,375.34, 2,119,347.20 and 1,078,173.72 is: 1,487,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,375.34 : 2,119,347.20 = 1,078,173.72 : x
  2. Step 2: Convert to fraction form
    1,536,375.34/2,119,347.20 = 1,078,173.72/x
  3. Step 3: Cross multiply
    1,536,375.34x = 2,119,347.20 × 1,078,173.72
  4. Step 4: Simplify right side
    1,536,375.34x = 2,285,024,454,595.58
  5. Step 5: Solve for x
    x = 2,285,024,454,595.58/1,536,375.34
  6. Step 6: Final answer
    x = 1,487,282.69

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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.