Home / 3,178,951.23-4,398,504.67-2,771,901.33

Finding the Fourth Proportional to 3,178,951.23, 4,398,504.67 and 2,771,901.33

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Solution

The fourth proportional to 3,178,951.23, 4,398,504.67 and 2,771,901.33 is: 3,835,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,951.23 : 4,398,504.67 = 2,771,901.33 : x
  2. Step 2: Convert to fraction form
    3,178,951.23/4,398,504.67 = 2,771,901.33/x
  3. Step 3: Cross multiply
    3,178,951.23x = 4,398,504.67 × 2,771,901.33
  4. Step 4: Simplify right side
    3,178,951.23x = 12,192,220,944,784.21
  5. Step 5: Solve for x
    x = 12,192,220,944,784.21/3,178,951.23
  6. Step 6: Final answer
    x = 3,835,296.63

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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.