Home / 6,389,888.21-9,588,319.67-3,699,468.15

Finding the Fourth Proportional to 6,389,888.21, 9,588,319.67 and 3,699,468.15

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Solution

The fourth proportional to 6,389,888.21, 9,588,319.67 and 3,699,468.15 is: 5,551,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,888.21 : 9,588,319.67 = 3,699,468.15 : x
  2. Step 2: Convert to fraction form
    6,389,888.21/9,588,319.67 = 3,699,468.15/x
  3. Step 3: Cross multiply
    6,389,888.21x = 9,588,319.67 × 3,699,468.15
  4. Step 4: Simplify right side
    6,389,888.21x = 35,471,683,183,666.48
  5. Step 5: Solve for x
    x = 35,471,683,183,666.48/6,389,888.21
  6. Step 6: Final answer
    x = 5,551,221.25

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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.