Home / 6,421,365.70-8,861,761.39-3,842,550.07

Finding the Fourth Proportional to 6,421,365.70, 8,861,761.39 and 3,842,550.07

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Solution

The fourth proportional to 6,421,365.70, 8,861,761.39 and 3,842,550.07 is: 5,302,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,365.70 : 8,861,761.39 = 3,842,550.07 : x
  2. Step 2: Convert to fraction form
    6,421,365.70/8,861,761.39 = 3,842,550.07/x
  3. Step 3: Cross multiply
    6,421,365.70x = 8,861,761.39 × 3,842,550.07
  4. Step 4: Simplify right side
    6,421,365.70x = 34,051,761,849,467.80
  5. Step 5: Solve for x
    x = 34,051,761,849,467.80/6,421,365.70
  6. Step 6: Final answer
    x = 5,302,884.69

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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.