Home / 2,979,598.64-4,112,288.80-1,755,512.87

Finding the Fourth Proportional to 2,979,598.64, 4,112,288.80 and 1,755,512.87

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Solution

The fourth proportional to 2,979,598.64, 4,112,288.80 and 1,755,512.87 is: 2,422,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,598.64 : 4,112,288.80 = 1,755,512.87 : x
  2. Step 2: Convert to fraction form
    2,979,598.64/4,112,288.80 = 1,755,512.87/x
  3. Step 3: Cross multiply
    2,979,598.64x = 4,112,288.80 × 1,755,512.87
  4. Step 4: Simplify right side
    2,979,598.64x = 7,219,175,913,556.86
  5. Step 5: Solve for x
    x = 7,219,175,913,556.86/2,979,598.64
  6. Step 6: Final answer
    x = 2,422,868.58

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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.