Home / 5,214,401.80-7,821,602.70-3,422,811.40

Finding the Fourth Proportional to 5,214,401.80, 7,821,602.70 and 3,422,811.40

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Solution

The fourth proportional to 5,214,401.80, 7,821,602.70 and 3,422,811.40 is: 5,134,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,401.80 : 7,821,602.70 = 3,422,811.40 : x
  2. Step 2: Convert to fraction form
    5,214,401.80/7,821,602.70 = 3,422,811.40/x
  3. Step 3: Cross multiply
    5,214,401.80x = 7,821,602.70 × 3,422,811.40
  4. Step 4: Simplify right side
    5,214,401.80x = 26,771,870,887,830.78
  5. Step 5: Solve for x
    x = 26,771,870,887,830.78/5,214,401.80
  6. Step 6: Final answer
    x = 5,134,217.10

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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.