Home / 3,359,391.54-4,635,960.15-1,909,089.78

Finding the Fourth Proportional to 3,359,391.54, 4,635,960.15 and 1,909,089.78

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Solution

The fourth proportional to 3,359,391.54, 4,635,960.15 and 1,909,089.78 is: 2,634,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359,391.54 : 4,635,960.15 = 1,909,089.78 : x
  2. Step 2: Convert to fraction form
    3,359,391.54/4,635,960.15 = 1,909,089.78/x
  3. Step 3: Cross multiply
    3,359,391.54x = 4,635,960.15 × 1,909,089.78
  4. Step 4: Simplify right side
    3,359,391.54x = 8,850,464,142,852.27
  5. Step 5: Solve for x
    x = 8,850,464,142,852.27/3,359,391.54
  6. Step 6: Final answer
    x = 2,634,543.80

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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.