Home / 2,780,999.70-4,171,499.55-1,718,117.70

Finding the Fourth Proportional to 2,780,999.70, 4,171,499.55 and 1,718,117.70

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Solution

The fourth proportional to 2,780,999.70, 4,171,499.55 and 1,718,117.70 is: 2,577,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,999.70 : 4,171,499.55 = 1,718,117.70 : x
  2. Step 2: Convert to fraction form
    2,780,999.70/4,171,499.55 = 1,718,117.70/x
  3. Step 3: Cross multiply
    2,780,999.70x = 4,171,499.55 × 1,718,117.70
  4. Step 4: Simplify right side
    2,780,999.70x = 7,167,127,212,397.03
  5. Step 5: Solve for x
    x = 7,167,127,212,397.03/2,780,999.70
  6. Step 6: Final answer
    x = 2,577,176.55

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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.