Home / 3,218,753.88-4,440,033.09-2,009,430.36

Finding the Fourth Proportional to 3,218,753.88, 4,440,033.09 and 2,009,430.36

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Solution

The fourth proportional to 3,218,753.88, 4,440,033.09 and 2,009,430.36 is: 2,771,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,753.88 : 4,440,033.09 = 2,009,430.36 : x
  2. Step 2: Convert to fraction form
    3,218,753.88/4,440,033.09 = 2,009,430.36/x
  3. Step 3: Cross multiply
    3,218,753.88x = 4,440,033.09 × 2,009,430.36
  4. Step 4: Simplify right side
    3,218,753.88x = 8,921,937,290,450.61
  5. Step 5: Solve for x
    x = 8,921,937,290,450.61/3,218,753.88
  6. Step 6: Final answer
    x = 2,771,860.67

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1.5x scale

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.