Home / 5,640,131.36-8,461,369.20-2,564,657.12

Finding the Fourth Proportional to 5,640,131.36, 8,461,369.20 and 2,564,657.12

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Solution

The fourth proportional to 5,640,131.36, 8,461,369.20 and 2,564,657.12 is: 3,847,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,131.36 : 8,461,369.20 = 2,564,657.12 : x
  2. Step 2: Convert to fraction form
    5,640,131.36/8,461,369.20 = 2,564,657.12/x
  3. Step 3: Cross multiply
    5,640,131.36x = 8,461,369.20 × 2,564,657.12
  4. Step 4: Simplify right side
    5,640,131.36x = 21,700,510,763,728.70
  5. Step 5: Solve for x
    x = 21,700,510,763,728.70/5,640,131.36
  6. Step 6: Final answer
    x = 3,847,518.68

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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.