Home / 5,191,109.70-7,788,328.05-3,634,756.53

Finding the Fourth Proportional to 5,191,109.70, 7,788,328.05 and 3,634,756.53

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Solution

The fourth proportional to 5,191,109.70, 7,788,328.05 and 3,634,756.53 is: 5,453,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,109.70 : 7,788,328.05 = 3,634,756.53 : x
  2. Step 2: Convert to fraction form
    5,191,109.70/7,788,328.05 = 3,634,756.53/x
  3. Step 3: Cross multiply
    5,191,109.70x = 7,788,328.05 × 3,634,756.53
  4. Step 4: Simplify right side
    5,191,109.70x = 28,308,676,237,519.66
  5. Step 5: Solve for x
    x = 28,308,676,237,519.66/5,191,109.70
  6. Step 6: Final answer
    x = 5,453,299.56

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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.