Home / 5,155,830.89-7,114,932.23-2,800,967.80

Finding the Fourth Proportional to 5,155,830.89, 7,114,932.23 and 2,800,967.80

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Solution

The fourth proportional to 5,155,830.89, 7,114,932.23 and 2,800,967.80 is: 3,865,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,830.89 : 7,114,932.23 = 2,800,967.80 : x
  2. Step 2: Convert to fraction form
    5,155,830.89/7,114,932.23 = 2,800,967.80/x
  3. Step 3: Cross multiply
    5,155,830.89x = 7,114,932.23 × 2,800,967.80
  4. Step 4: Simplify right side
    5,155,830.89x = 19,928,696,064,838.24
  5. Step 5: Solve for x
    x = 19,928,696,064,838.24/5,155,830.89
  6. Step 6: Final answer
    x = 3,865,273.41

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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.