Home / 2,572,019.10-3,857,240.61-1,778,400.54

Finding the Fourth Proportional to 2,572,019.10, 3,857,240.61 and 1,778,400.54

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Solution

The fourth proportional to 2,572,019.10, 3,857,240.61 and 1,778,400.54 is: 2,667,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,019.10 : 3,857,240.61 = 1,778,400.54 : x
  2. Step 2: Convert to fraction form
    2,572,019.10/3,857,240.61 = 1,778,400.54/x
  3. Step 3: Cross multiply
    2,572,019.10x = 3,857,240.61 × 1,778,400.54
  4. Step 4: Simplify right side
    2,572,019.10x = 6,859,718,783,733.93
  5. Step 5: Solve for x
    x = 6,859,718,783,733.93/2,572,019.10
  6. Step 6: Final answer
    x = 2,667,055.93

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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.