Home / 3,550,135.80-5,326,515.90-1,421,747.40

Finding the Fourth Proportional to 3,550,135.80, 5,326,515.90 and 1,421,747.40

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Solution

The fourth proportional to 3,550,135.80, 5,326,515.90 and 1,421,747.40 is: 2,133,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,135.80 : 5,326,515.90 = 1,421,747.40 : x
  2. Step 2: Convert to fraction form
    3,550,135.80/5,326,515.90 = 1,421,747.40/x
  3. Step 3: Cross multiply
    3,550,135.80x = 5,326,515.90 × 1,421,747.40
  4. Step 4: Simplify right side
    3,550,135.80x = 7,572,960,131,883.66
  5. Step 5: Solve for x
    x = 7,572,960,131,883.66/3,550,135.80
  6. Step 6: Final answer
    x = 2,133,146.61

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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.