Home / 5,219,360.30-7,827,163.27-1,806,721.76

Finding the Fourth Proportional to 5,219,360.30, 7,827,163.27 and 1,806,721.76

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Solution

The fourth proportional to 5,219,360.30, 7,827,163.27 and 1,806,721.76 is: 2,709,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,360.30 : 7,827,163.27 = 1,806,721.76 : x
  2. Step 2: Convert to fraction form
    5,219,360.30/7,827,163.27 = 1,806,721.76/x
  3. Step 3: Cross multiply
    5,219,360.30x = 7,827,163.27 × 1,806,721.76
  4. Step 4: Simplify right side
    5,219,360.30x = 14,141,506,198,981.75
  5. Step 5: Solve for x
    x = 14,141,506,198,981.75/5,219,360.30
  6. Step 6: Final answer
    x = 2,709,432.84

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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.