Home / 2,143,955.22-3,215,913.36-945,878.58

Finding the Fourth Proportional to 2,143,955.22, 3,215,913.36 and 945,878.58

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Solution

The fourth proportional to 2,143,955.22, 3,215,913.36 and 945,878.58 is: 1,418,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,955.22 : 3,215,913.36 = 945,878.58 : x
  2. Step 2: Convert to fraction form
    2,143,955.22/3,215,913.36 = 945,878.58/x
  3. Step 3: Cross multiply
    2,143,955.22x = 3,215,913.36 × 945,878.58
  4. Step 4: Simplify right side
    2,143,955.22x = 3,041,863,562,359.83
  5. Step 5: Solve for x
    x = 3,041,863,562,359.83/2,143,955.22
  6. Step 6: Final answer
    x = 1,418,809.28

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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.