Home / 3,101,455.19-4,280,010.62-1,724,768.87

Finding the Fourth Proportional to 3,101,455.19, 4,280,010.62 and 1,724,768.87

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Solution

The fourth proportional to 3,101,455.19, 4,280,010.62 and 1,724,768.87 is: 2,380,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,455.19 : 4,280,010.62 = 1,724,768.87 : x
  2. Step 2: Convert to fraction form
    3,101,455.19/4,280,010.62 = 1,724,768.87/x
  3. Step 3: Cross multiply
    3,101,455.19x = 4,280,010.62 × 1,724,768.87
  4. Step 4: Simplify right side
    3,101,455.19x = 7,382,029,050,621.50
  5. Step 5: Solve for x
    x = 7,382,029,050,621.50/3,101,455.19
  6. Step 6: Final answer
    x = 2,380,182.40

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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.