Home / 5,429,263.40-8,144,816.70-1,642,716.20

Finding the Fourth Proportional to 5,429,263.40, 8,144,816.70 and 1,642,716.20

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Solution

The fourth proportional to 5,429,263.40, 8,144,816.70 and 1,642,716.20 is: 2,464,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,263.40 : 8,144,816.70 = 1,642,716.20 : x
  2. Step 2: Convert to fraction form
    5,429,263.40/8,144,816.70 = 1,642,716.20/x
  3. Step 3: Cross multiply
    5,429,263.40x = 8,144,816.70 × 1,642,716.20
  4. Step 4: Simplify right side
    5,429,263.40x = 13,379,622,339,120.54
  5. Step 5: Solve for x
    x = 13,379,622,339,120.54/5,429,263.40
  6. Step 6: Final answer
    x = 2,464,353.15

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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.