Home / 3,997,916.31-5,517,255.06-2,187,080.31

Finding the Fourth Proportional to 3,997,916.31, 5,517,255.06 and 2,187,080.31

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Solution

The fourth proportional to 3,997,916.31, 5,517,255.06 and 2,187,080.31 is: 3,018,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,916.31 : 5,517,255.06 = 2,187,080.31 : x
  2. Step 2: Convert to fraction form
    3,997,916.31/5,517,255.06 = 2,187,080.31/x
  3. Step 3: Cross multiply
    3,997,916.31x = 5,517,255.06 × 2,187,080.31
  4. Step 4: Simplify right side
    3,997,916.31x = 12,066,679,906,973.87
  5. Step 5: Solve for x
    x = 12,066,679,906,973.87/3,997,916.31
  6. Step 6: Final answer
    x = 3,018,242.25

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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.