Home / 2,107,865.57-2,908,856.22-1,140,992.87

Finding the Fourth Proportional to 2,107,865.57, 2,908,856.22 and 1,140,992.87

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Solution

The fourth proportional to 2,107,865.57, 2,908,856.22 and 1,140,992.87 is: 1,574,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,865.57 : 2,908,856.22 = 1,140,992.87 : x
  2. Step 2: Convert to fraction form
    2,107,865.57/2,908,856.22 = 1,140,992.87/x
  3. Step 3: Cross multiply
    2,107,865.57x = 2,908,856.22 × 1,140,992.87
  4. Step 4: Simplify right side
    2,107,865.57x = 3,318,984,206,875.15
  5. Step 5: Solve for x
    x = 3,318,984,206,875.15/2,107,865.57
  6. Step 6: Final answer
    x = 1,574,571.10

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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.