Home / 5,128,705.26-7,686,262.53-2,727,379.26

Finding the Fourth Proportional to 5,128,705.26, 7,686,262.53 and 2,727,379.26

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Solution

The fourth proportional to 5,128,705.26, 7,686,262.53 and 2,727,379.26 is: 4,087,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,705.26 : 7,686,262.53 = 2,727,379.26 : x
  2. Step 2: Convert to fraction form
    5,128,705.26/7,686,262.53 = 2,727,379.26/x
  3. Step 3: Cross multiply
    5,128,705.26x = 7,686,262.53 × 2,727,379.26
  4. Step 4: Simplify right side
    5,128,705.26x = 20,963,353,011,237.12
  5. Step 5: Solve for x
    x = 20,963,353,011,237.12/5,128,705.26
  6. Step 6: Final answer
    x = 4,087,455.21

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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.