Home / 2,900,512.26-4,001,307.46-1,932,403.91

Finding the Fourth Proportional to 2,900,512.26, 4,001,307.46 and 1,932,403.91

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Solution

The fourth proportional to 2,900,512.26, 4,001,307.46 and 1,932,403.91 is: 2,665,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,512.26 : 4,001,307.46 = 1,932,403.91 : x
  2. Step 2: Convert to fraction form
    2,900,512.26/4,001,307.46 = 1,932,403.91/x
  3. Step 3: Cross multiply
    2,900,512.26x = 4,001,307.46 × 1,932,403.91
  4. Step 4: Simplify right side
    2,900,512.26x = 7,732,142,155,978.62
  5. Step 5: Solve for x
    x = 7,732,142,155,978.62/2,900,512.26
  6. Step 6: Final answer
    x = 2,665,785.03

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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.