Home / 2,421,185.40-3,622,446.90-1,581,377.40

Finding the Fourth Proportional to 2,421,185.40, 3,622,446.90 and 1,581,377.40

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Solution

The fourth proportional to 2,421,185.40, 3,622,446.90 and 1,581,377.40 is: 2,365,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,185.40 : 3,622,446.90 = 1,581,377.40 : x
  2. Step 2: Convert to fraction form
    2,421,185.40/3,622,446.90 = 1,581,377.40/x
  3. Step 3: Cross multiply
    2,421,185.40x = 3,622,446.90 × 1,581,377.40
  4. Step 4: Simplify right side
    2,421,185.40x = 5,728,455,660,360.06
  5. Step 5: Solve for x
    x = 5,728,455,660,360.06/2,421,185.40
  6. Step 6: Final answer
    x = 2,365,971.50

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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.