Home / 6,461,404.20-9,687,440.70-3,622,386.60

Finding the Fourth Proportional to 6,461,404.20, 9,687,440.70 and 3,622,386.60

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Solution

The fourth proportional to 6,461,404.20, 9,687,440.70 and 3,622,386.60 is: 5,430,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,404.20 : 9,687,440.70 = 3,622,386.60 : x
  2. Step 2: Convert to fraction form
    6,461,404.20/9,687,440.70 = 3,622,386.60/x
  3. Step 3: Cross multiply
    6,461,404.20x = 9,687,440.70 × 3,622,386.60
  4. Step 4: Simplify right side
    6,461,404.20x = 35,091,655,379,974.62
  5. Step 5: Solve for x
    x = 35,091,655,379,974.62/6,461,404.20
  6. Step 6: Final answer
    x = 5,430,964.28

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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.