Home / 6,389,438.05-8,817,389.41-3,488,808.33

Finding the Fourth Proportional to 6,389,438.05, 8,817,389.41 and 3,488,808.33

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Solution

The fourth proportional to 6,389,438.05, 8,817,389.41 and 3,488,808.33 is: 4,814,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,438.05 : 8,817,389.41 = 3,488,808.33 : x
  2. Step 2: Convert to fraction form
    6,389,438.05/8,817,389.41 = 3,488,808.33/x
  3. Step 3: Cross multiply
    6,389,438.05x = 8,817,389.41 × 3,488,808.33
  4. Step 4: Simplify right side
    6,389,438.05x = 30,762,181,645,080.19
  5. Step 5: Solve for x
    x = 30,762,181,645,080.19/6,389,438.05
  6. Step 6: Final answer
    x = 4,814,536.33

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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.