Home / 2,998,447.59-4,137,955.47-1,640,320.59

Finding the Fourth Proportional to 2,998,447.59, 4,137,955.47 and 1,640,320.59

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Solution

The fourth proportional to 2,998,447.59, 4,137,955.47 and 1,640,320.59 is: 2,263,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,447.59 : 4,137,955.47 = 1,640,320.59 : x
  2. Step 2: Convert to fraction form
    2,998,447.59/4,137,955.47 = 1,640,320.59/x
  3. Step 3: Cross multiply
    2,998,447.59x = 4,137,955.47 × 1,640,320.59
  4. Step 4: Simplify right side
    2,998,447.59x = 6,787,573,557,944.13
  5. Step 5: Solve for x
    x = 6,787,573,557,944.13/2,998,447.59
  6. Step 6: Final answer
    x = 2,263,695.91

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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.