Home / 3,108,036.21-4,289,222.27-1,731,378.26

Finding the Fourth Proportional to 3,108,036.21, 4,289,222.27 and 1,731,378.26

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Solution

The fourth proportional to 3,108,036.21, 4,289,222.27 and 1,731,378.26 is: 2,389,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,036.21 : 4,289,222.27 = 1,731,378.26 : x
  2. Step 2: Convert to fraction form
    3,108,036.21/4,289,222.27 = 1,731,378.26/x
  3. Step 3: Cross multiply
    3,108,036.21x = 4,289,222.27 × 1,731,378.26
  4. Step 4: Simplify right side
    3,108,036.21x = 7,426,266,160,482.85
  5. Step 5: Solve for x
    x = 7,426,266,160,482.85/3,108,036.21
  6. Step 6: Final answer
    x = 2,389,375.69

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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.