Home / 6,389,614.86-8,817,711.21-3,489,025.98

Finding the Fourth Proportional to 6,389,614.86, 8,817,711.21 and 3,489,025.98

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Solution

The fourth proportional to 6,389,614.86, 8,817,711.21 and 3,489,025.98 is: 4,814,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,614.86 : 8,817,711.21 = 3,489,025.98 : x
  2. Step 2: Convert to fraction form
    6,389,614.86/8,817,711.21 = 3,489,025.98/x
  3. Step 3: Cross multiply
    6,389,614.86x = 8,817,711.21 × 3,489,025.98
  4. Step 4: Simplify right side
    6,389,614.86x = 30,765,223,495,827.24
  5. Step 5: Solve for x
    x = 30,765,223,495,827.24/6,389,614.86
  6. Step 6: Final answer
    x = 4,814,879.17

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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.