Home / 3,533,877.38-4,876,615.53-2,159,520.21

Finding the Fourth Proportional to 3,533,877.38, 4,876,615.53 and 2,159,520.21

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Solution

The fourth proportional to 3,533,877.38, 4,876,615.53 and 2,159,520.21 is: 2,980,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533,877.38 : 4,876,615.53 = 2,159,520.21 : x
  2. Step 2: Convert to fraction form
    3,533,877.38/4,876,615.53 = 2,159,520.21/x
  3. Step 3: Cross multiply
    3,533,877.38x = 4,876,615.53 × 2,159,520.21
  4. Step 4: Simplify right side
    3,533,877.38x = 10,531,149,793,434.86
  5. Step 5: Solve for x
    x = 10,531,149,793,434.86/3,533,877.38
  6. Step 6: Final answer
    x = 2,980,055.23

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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.