Home / 5,098,379.40-7,648,721.26-1,686,657.94

Finding the Fourth Proportional to 5,098,379.40, 7,648,721.26 and 1,686,657.94

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Solution

The fourth proportional to 5,098,379.40, 7,648,721.26 and 1,686,657.94 is: 2,530,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098,379.40 : 7,648,721.26 = 1,686,657.94 : x
  2. Step 2: Convert to fraction form
    5,098,379.40/7,648,721.26 = 1,686,657.94/x
  3. Step 3: Cross multiply
    5,098,379.40x = 7,648,721.26 × 1,686,657.94
  4. Step 4: Simplify right side
    5,098,379.40x = 12,900,776,420,687.36
  5. Step 5: Solve for x
    x = 12,900,776,420,687.36/5,098,379.40
  6. Step 6: Final answer
    x = 2,530,368.07

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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.