Home / 6,389,218.27-8,817,478.44-3,488,878.40

Finding the Fourth Proportional to 6,389,218.27, 8,817,478.44 and 3,488,878.40

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Solution

The fourth proportional to 6,389,218.27, 8,817,478.44 and 3,488,878.40 is: 4,814,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,218.27 : 8,817,478.44 = 3,488,878.40 : x
  2. Step 2: Convert to fraction form
    6,389,218.27/8,817,478.44 = 3,488,878.40/x
  3. Step 3: Cross multiply
    6,389,218.27x = 8,817,478.44 × 3,488,878.40
  4. Step 4: Simplify right side
    6,389,218.27x = 30,763,110,071,781.69
  5. Step 5: Solve for x
    x = 30,763,110,071,781.69/6,389,218.27
  6. Step 6: Final answer
    x = 4,814,847.26

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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.