Home / 2,904,646.76-4,008,105.42-1,615,278.68

Finding the Fourth Proportional to 2,904,646.76, 4,008,105.42 and 1,615,278.68

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Solution

The fourth proportional to 2,904,646.76, 4,008,105.42 and 1,615,278.68 is: 2,228,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,646.76 : 4,008,105.42 = 1,615,278.68 : x
  2. Step 2: Convert to fraction form
    2,904,646.76/4,008,105.42 = 1,615,278.68/x
  3. Step 3: Cross multiply
    2,904,646.76x = 4,008,105.42 × 1,615,278.68
  4. Step 4: Simplify right side
    2,904,646.76x = 6,474,207,232,118.45
  5. Step 5: Solve for x
    x = 6,474,207,232,118.45/2,904,646.76
  6. Step 6: Final answer
    x = 2,228,913.79

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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.