Home / 2,085,959.74-2,876,430.75-1,543,225.60

Finding the Fourth Proportional to 2,085,959.74, 2,876,430.75 and 1,543,225.60

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Solution

The fourth proportional to 2,085,959.74, 2,876,430.75 and 1,543,225.60 is: 2,128,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,959.74 : 2,876,430.75 = 1,543,225.60 : x
  2. Step 2: Convert to fraction form
    2,085,959.74/2,876,430.75 = 1,543,225.60/x
  3. Step 3: Cross multiply
    2,085,959.74x = 2,876,430.75 × 1,543,225.60
  4. Step 4: Simplify right side
    2,085,959.74x = 4,438,981,570,027.20
  5. Step 5: Solve for x
    x = 4,438,981,570,027.20/2,085,959.74
  6. Step 6: Final answer
    x = 2,128,028.40

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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.