Home / 5,718,986.48-7,890,228.38-3,655,210.12

Finding the Fourth Proportional to 5,718,986.48, 7,890,228.38 and 3,655,210.12

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Solution

The fourth proportional to 5,718,986.48, 7,890,228.38 and 3,655,210.12 is: 5,042,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,986.48 : 7,890,228.38 = 3,655,210.12 : x
  2. Step 2: Convert to fraction form
    5,718,986.48/7,890,228.38 = 3,655,210.12/x
  3. Step 3: Cross multiply
    5,718,986.48x = 7,890,228.38 × 3,655,210.12
  4. Step 4: Simplify right side
    5,718,986.48x = 28,840,442,623,687.21
  5. Step 5: Solve for x
    x = 28,840,442,623,687.21/5,718,986.48
  6. Step 6: Final answer
    x = 5,042,928.97

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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.