Home / 2,390,078.64-3,298,322.40-1,423,249.68

Finding the Fourth Proportional to 2,390,078.64, 3,298,322.40 and 1,423,249.68

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Solution

The fourth proportional to 2,390,078.64, 3,298,322.40 and 1,423,249.68 is: 1,964,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,078.64 : 3,298,322.40 = 1,423,249.68 : x
  2. Step 2: Convert to fraction form
    2,390,078.64/3,298,322.40 = 1,423,249.68/x
  3. Step 3: Cross multiply
    2,390,078.64x = 3,298,322.40 × 1,423,249.68
  4. Step 4: Simplify right side
    2,390,078.64x = 4,694,336,300,336.83
  5. Step 5: Solve for x
    x = 4,694,336,300,336.83/2,390,078.64
  6. Step 6: Final answer
    x = 1,964,092.82

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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.