Home / 6,389,110.72-8,816,991.24-3,488,526.64

Finding the Fourth Proportional to 6,389,110.72, 8,816,991.24 and 3,488,526.64

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Solution

The fourth proportional to 6,389,110.72, 8,816,991.24 and 3,488,526.64 is: 4,814,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,110.72 : 8,816,991.24 = 3,488,526.64 : x
  2. Step 2: Convert to fraction form
    6,389,110.72/8,816,991.24 = 3,488,526.64/x
  3. Step 3: Cross multiply
    6,389,110.72x = 8,816,991.24 × 3,488,526.64
  4. Step 4: Simplify right side
    6,389,110.72x = 30,758,308,825,386.64
  5. Step 5: Solve for x
    x = 30,758,308,825,386.64/6,389,110.72
  6. Step 6: Final answer
    x = 4,814,176.84

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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.