Home / 5,718,985.48-7,890,227-3,655,209.12

Finding the Fourth Proportional to 5,718,985.48, 7,890,227 and 3,655,209.12

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Solution

The fourth proportional to 5,718,985.48, 7,890,227 and 3,655,209.12 is: 5,042,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,985.48 : 7,890,227 = 3,655,209.12 : x
  2. Step 2: Convert to fraction form
    5,718,985.48/7,890,227 = 3,655,209.12/x
  3. Step 3: Cross multiply
    5,718,985.48x = 7,890,227 × 3,655,209.12
  4. Step 4: Simplify right side
    5,718,985.48x = 28,840,429,689,270.24
  5. Step 5: Solve for x
    x = 28,840,429,689,270.24/5,718,985.48
  6. Step 6: Final answer
    x = 5,042,927.59

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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.