Home / 6,467,784.78-9,701,677.16-2,628,707.74

Finding the Fourth Proportional to 6,467,784.78, 9,701,677.16 and 2,628,707.74

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Solution

The fourth proportional to 6,467,784.78, 9,701,677.16 and 2,628,707.74 is: 3,943,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467,784.78 : 9,701,677.16 = 2,628,707.74 : x
  2. Step 2: Convert to fraction form
    6,467,784.78/9,701,677.16 = 2,628,707.74/x
  3. Step 3: Cross multiply
    6,467,784.78x = 9,701,677.16 × 2,628,707.74
  4. Step 4: Simplify right side
    6,467,784.78x = 25,502,873,828,719.62
  5. Step 5: Solve for x
    x = 25,502,873,828,719.62/6,467,784.78
  6. Step 6: Final answer
    x = 3,943,061.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.