Home / 2,399,562.12-3,311,397.54-1,311,816.36

Finding the Fourth Proportional to 2,399,562.12, 3,311,397.54 and 1,311,816.36

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Solution

The fourth proportional to 2,399,562.12, 3,311,397.54 and 1,311,816.36 is: 1,810,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,562.12 : 3,311,397.54 = 1,311,816.36 : x
  2. Step 2: Convert to fraction form
    2,399,562.12/3,311,397.54 = 1,311,816.36/x
  3. Step 3: Cross multiply
    2,399,562.12x = 3,311,397.54 × 1,311,816.36
  4. Step 4: Simplify right side
    2,399,562.12x = 4,343,945,467,435.76
  5. Step 5: Solve for x
    x = 4,343,945,467,435.76/2,399,562.12
  6. Step 6: Final answer
    x = 1,810,307.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.