Home / 6,513,870.92-9,770,889.54-1,721,518.78

Finding the Fourth Proportional to 6,513,870.92, 9,770,889.54 and 1,721,518.78

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Solution

The fourth proportional to 6,513,870.92, 9,770,889.54 and 1,721,518.78 is: 2,582,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,870.92 : 9,770,889.54 = 1,721,518.78 : x
  2. Step 2: Convert to fraction form
    6,513,870.92/9,770,889.54 = 1,721,518.78/x
  3. Step 3: Cross multiply
    6,513,870.92x = 9,770,889.54 × 1,721,518.78
  4. Step 4: Simplify right side
    6,513,870.92x = 16,820,769,846,173.48
  5. Step 5: Solve for x
    x = 16,820,769,846,173.48/6,513,870.92
  6. Step 6: Final answer
    x = 2,582,300.15

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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.