Home / 5,108,620.80-7,662,316.80-2,116,492.80

Finding the Fourth Proportional to 5,108,620.80, 7,662,316.80 and 2,116,492.80

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Solution

The fourth proportional to 5,108,620.80, 7,662,316.80 and 2,116,492.80 is: 3,174,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,620.80 : 7,662,316.80 = 2,116,492.80 : x
  2. Step 2: Convert to fraction form
    5,108,620.80/7,662,316.80 = 2,116,492.80/x
  3. Step 3: Cross multiply
    5,108,620.80x = 7,662,316.80 × 2,116,492.80
  4. Step 4: Simplify right side
    5,108,620.80x = 16,217,238,338,519.04
  5. Step 5: Solve for x
    x = 16,217,238,338,519.04/5,108,620.80
  6. Step 6: Final answer
    x = 3,174,484.66

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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.