Home / 2,187,648.02-3,018,954.85-1,207,587.64

Finding the Fourth Proportional to 2,187,648.02, 3,018,954.85 and 1,207,587.64

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Solution

The fourth proportional to 2,187,648.02, 3,018,954.85 and 1,207,587.64 is: 1,666,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,648.02 : 3,018,954.85 = 1,207,587.64 : x
  2. Step 2: Convert to fraction form
    2,187,648.02/3,018,954.85 = 1,207,587.64/x
  3. Step 3: Cross multiply
    2,187,648.02x = 3,018,954.85 × 1,207,587.64
  4. Step 4: Simplify right side
    2,187,648.02x = 3,645,652,557,672.24
  5. Step 5: Solve for x
    x = 3,645,652,557,672.24/2,187,648.02
  6. Step 6: Final answer
    x = 1,666,471.26

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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.