Home / 3,393,939.47-4,683,654.77-1,998,561.63

Finding the Fourth Proportional to 3,393,939.47, 4,683,654.77 and 1,998,561.63

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Solution

The fourth proportional to 3,393,939.47, 4,683,654.77 and 1,998,561.63 is: 2,758,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,939.47 : 4,683,654.77 = 1,998,561.63 : x
  2. Step 2: Convert to fraction form
    3,393,939.47/4,683,654.77 = 1,998,561.63/x
  3. Step 3: Cross multiply
    3,393,939.47x = 4,683,654.77 × 1,998,561.63
  4. Step 4: Simplify right side
    3,393,939.47x = 9,360,572,719,059.37
  5. Step 5: Solve for x
    x = 9,360,572,719,059.37/3,393,939.47
  6. Step 6: Final answer
    x = 2,758,025.83

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1.5x scale

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.