Home / 1,999,838.59-2,759,775.47-1,128,856.61

Finding the Fourth Proportional to 1,999,838.59, 2,759,775.47 and 1,128,856.61

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Solution

The fourth proportional to 1,999,838.59, 2,759,775.47 and 1,128,856.61 is: 1,557,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,838.59 : 2,759,775.47 = 1,128,856.61 : x
  2. Step 2: Convert to fraction form
    1,999,838.59/2,759,775.47 = 1,128,856.61/x
  3. Step 3: Cross multiply
    1,999,838.59x = 2,759,775.47 × 1,128,856.61
  4. Step 4: Simplify right side
    1,999,838.59x = 3,115,390,793,175.73
  5. Step 5: Solve for x
    x = 3,115,390,793,175.73/1,999,838.59
  6. Step 6: Final answer
    x = 1,557,821.12

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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.