Home / 2,187,656.74-3,018,966.85-1,207,596.31

Finding the Fourth Proportional to 2,187,656.74, 3,018,966.85 and 1,207,596.31

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Solution

The fourth proportional to 2,187,656.74, 3,018,966.85 and 1,207,596.31 is: 1,666,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,656.74 : 3,018,966.85 = 1,207,596.31 : x
  2. Step 2: Convert to fraction form
    2,187,656.74/3,018,966.85 = 1,207,596.31/x
  3. Step 3: Cross multiply
    2,187,656.74x = 3,018,966.85 × 1,207,596.31
  4. Step 4: Simplify right side
    2,187,656.74x = 3,645,693,228,072.32
  5. Step 5: Solve for x
    x = 3,645,693,228,072.32/2,187,656.74
  6. Step 6: Final answer
    x = 1,666,483.21

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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.