Home / 2,140,138.89-2,953,327.68-1,173,236.13

Finding the Fourth Proportional to 2,140,138.89, 2,953,327.68 and 1,173,236.13

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Solution

The fourth proportional to 2,140,138.89, 2,953,327.68 and 1,173,236.13 is: 1,619,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,138.89 : 2,953,327.68 = 1,173,236.13 : x
  2. Step 2: Convert to fraction form
    2,140,138.89/2,953,327.68 = 1,173,236.13/x
  3. Step 3: Cross multiply
    2,140,138.89x = 2,953,327.68 × 1,173,236.13
  4. Step 4: Simplify right side
    2,140,138.89x = 3,464,950,737,905.08
  5. Step 5: Solve for x
    x = 3,464,950,737,905.08/2,140,138.89
  6. Step 6: Final answer
    x = 1,619,030.78

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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.