Home / 3,613,141.28-4,985,775.64-2,085,740.48

Finding the Fourth Proportional to 3,613,141.28, 4,985,775.64 and 2,085,740.48

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Solution

The fourth proportional to 3,613,141.28, 4,985,775.64 and 2,085,740.48 is: 2,878,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,141.28 : 4,985,775.64 = 2,085,740.48 : x
  2. Step 2: Convert to fraction form
    3,613,141.28/4,985,775.64 = 2,085,740.48/x
  3. Step 3: Cross multiply
    3,613,141.28x = 4,985,775.64 × 2,085,740.48
  4. Step 4: Simplify right side
    3,613,141.28x = 10,399,034,076,545.91
  5. Step 5: Solve for x
    x = 10,399,034,076,545.91/3,613,141.28
  6. Step 6: Final answer
    x = 2,878,114.44

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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.