Home / 2,078,138.70-3,115,652.85-1,132,577.10

Finding the Fourth Proportional to 2,078,138.70, 3,115,652.85 and 1,132,577.10

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Solution

The fourth proportional to 2,078,138.70, 3,115,652.85 and 1,132,577.10 is: 1,698,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,138.70 : 3,115,652.85 = 1,132,577.10 : x
  2. Step 2: Convert to fraction form
    2,078,138.70/3,115,652.85 = 1,132,577.10/x
  3. Step 3: Cross multiply
    2,078,138.70x = 3,115,652.85 × 1,132,577.10
  4. Step 4: Simplify right side
    2,078,138.70x = 3,528,717,069,459.74
  5. Step 5: Solve for x
    x = 3,528,717,069,459.74/2,078,138.70
  6. Step 6: Final answer
    x = 1,698,018.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.