Home / 3,270,536.35-4,905,430.80-874,567.78

Finding the Fourth Proportional to 3,270,536.35, 4,905,430.80 and 874,567.78

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Solution

The fourth proportional to 3,270,536.35, 4,905,430.80 and 874,567.78 is: 1,311,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,536.35 : 4,905,430.80 = 874,567.78 : x
  2. Step 2: Convert to fraction form
    3,270,536.35/4,905,430.80 = 874,567.78/x
  3. Step 3: Cross multiply
    3,270,536.35x = 4,905,430.80 × 874,567.78
  4. Step 4: Simplify right side
    3,270,536.35x = 4,290,131,724,699.62
  5. Step 5: Solve for x
    x = 4,290,131,724,699.62/3,270,536.35
  6. Step 6: Final answer
    x = 1,311,751.73

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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.