Home / 2,015,111.80-2,780,826.81-1,143,938.92

Finding the Fourth Proportional to 2,015,111.80, 2,780,826.81 and 1,143,938.92

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Solution

The fourth proportional to 2,015,111.80, 2,780,826.81 and 1,143,938.92 is: 1,578,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,111.80 : 2,780,826.81 = 1,143,938.92 : x
  2. Step 2: Convert to fraction form
    2,015,111.80/2,780,826.81 = 1,143,938.92/x
  3. Step 3: Cross multiply
    2,015,111.80x = 2,780,826.81 × 1,143,938.92
  4. Step 4: Simplify right side
    2,015,111.80x = 3,181,096,001,587.79
  5. Step 5: Solve for x
    x = 3,181,096,001,587.79/2,015,111.80
  6. Step 6: Final answer
    x = 1,578,620.11

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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.