Home / 1,450,111.80-2,175,167.70-1,215,665.40

Finding the Fourth Proportional to 1,450,111.80, 2,175,167.70 and 1,215,665.40

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Solution

The fourth proportional to 1,450,111.80, 2,175,167.70 and 1,215,665.40 is: 1,823,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,111.80 : 2,175,167.70 = 1,215,665.40 : x
  2. Step 2: Convert to fraction form
    1,450,111.80/2,175,167.70 = 1,215,665.40/x
  3. Step 3: Cross multiply
    1,450,111.80x = 2,175,167.70 × 1,215,665.40
  4. Step 4: Simplify right side
    1,450,111.80x = 2,644,276,112,087.58
  5. Step 5: Solve for x
    x = 2,644,276,112,087.58/1,450,111.80
  6. Step 6: Final answer
    x = 1,823,498.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.