Home / 5,389,639.80-8,084,459.70-3,476,452.20

Finding the Fourth Proportional to 5,389,639.80, 8,084,459.70 and 3,476,452.20

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Solution

The fourth proportional to 5,389,639.80, 8,084,459.70 and 3,476,452.20 is: 5,214,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,639.80 : 8,084,459.70 = 3,476,452.20 : x
  2. Step 2: Convert to fraction form
    5,389,639.80/8,084,459.70 = 3,476,452.20/x
  3. Step 3: Cross multiply
    5,389,639.80x = 8,084,459.70 × 3,476,452.20
  4. Step 4: Simplify right side
    5,389,639.80x = 28,105,237,709,876.34
  5. Step 5: Solve for x
    x = 28,105,237,709,876.34/5,389,639.80
  6. Step 6: Final answer
    x = 5,214,678.30

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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.