Home / 5,300,989.72-7,315,172.08-3,239,455.92

Finding the Fourth Proportional to 5,300,989.72, 7,315,172.08 and 3,239,455.92

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Solution

The fourth proportional to 5,300,989.72, 7,315,172.08 and 3,239,455.92 is: 4,470,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300,989.72 : 7,315,172.08 = 3,239,455.92 : x
  2. Step 2: Convert to fraction form
    5,300,989.72/7,315,172.08 = 3,239,455.92/x
  3. Step 3: Cross multiply
    5,300,989.72x = 7,315,172.08 × 3,239,455.92
  4. Step 4: Simplify right side
    5,300,989.72x = 23,697,177,500,374.71
  5. Step 5: Solve for x
    x = 23,697,177,500,374.71/5,300,989.72
  6. Step 6: Final answer
    x = 4,470,330.78

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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.