Home / 1,942,639.65-2,912,793.08-997,855.65

Finding the Fourth Proportional to 1,942,639.65, 2,912,793.08 and 997,855.65

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Solution

The fourth proportional to 1,942,639.65, 2,912,793.08 and 997,855.65 is: 1,496,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,639.65 : 2,912,793.08 = 997,855.65 : x
  2. Step 2: Convert to fraction form
    1,942,639.65/2,912,793.08 = 997,855.65/x
  3. Step 3: Cross multiply
    1,942,639.65x = 2,912,793.08 × 997,855.65
  4. Step 4: Simplify right side
    1,942,639.65x = 2,906,547,027,169.62
  5. Step 5: Solve for x
    x = 2,906,547,027,169.62/1,942,639.65
  6. Step 6: Final answer
    x = 1,496,184.34

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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.