Home / 1,912,981.04-2,869,647.60-493,042.40

Finding the Fourth Proportional to 1,912,981.04, 2,869,647.60 and 493,042.40

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Solution

The fourth proportional to 1,912,981.04, 2,869,647.60 and 493,042.40 is: 739,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,981.04 : 2,869,647.60 = 493,042.40 : x
  2. Step 2: Convert to fraction form
    1,912,981.04/2,869,647.60 = 493,042.40/x
  3. Step 3: Cross multiply
    1,912,981.04x = 2,869,647.60 × 493,042.40
  4. Step 4: Simplify right side
    1,912,981.04x = 1,414,857,939,858.24
  5. Step 5: Solve for x
    x = 1,414,857,939,858.24/1,912,981.04
  6. Step 6: Final answer
    x = 739,608.97

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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.