Home / 4,668,571.69-6,447,943.34-3,138,021.61

Finding the Fourth Proportional to 4,668,571.69, 6,447,943.34 and 3,138,021.61

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Solution

The fourth proportional to 4,668,571.69, 6,447,943.34 and 3,138,021.61 is: 4,334,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668,571.69 : 6,447,943.34 = 3,138,021.61 : x
  2. Step 2: Convert to fraction form
    4,668,571.69/6,447,943.34 = 3,138,021.61/x
  3. Step 3: Cross multiply
    4,668,571.69x = 6,447,943.34 × 3,138,021.61
  4. Step 4: Simplify right side
    4,668,571.69x = 20,233,785,520,933.19
  5. Step 5: Solve for x
    x = 20,233,785,520,933.19/4,668,571.69
  6. Step 6: Final answer
    x = 4,334,041.95

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Double scale
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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.