Home / 6,440,740.56-8,888,313.24-3,540,399.60

Finding the Fourth Proportional to 6,440,740.56, 8,888,313.24 and 3,540,399.60

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Solution

The fourth proportional to 6,440,740.56, 8,888,313.24 and 3,540,399.60 is: 4,885,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,740.56 : 8,888,313.24 = 3,540,399.60 : x
  2. Step 2: Convert to fraction form
    6,440,740.56/8,888,313.24 = 3,540,399.60/x
  3. Step 3: Cross multiply
    6,440,740.56x = 8,888,313.24 × 3,540,399.60
  4. Step 4: Simplify right side
    6,440,740.56x = 31,468,180,639,570.71
  5. Step 5: Solve for x
    x = 31,468,180,639,570.71/6,440,740.56
  6. Step 6: Final answer
    x = 4,885,801.62

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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.