Home / 1,995,760.65-2,993,640.98-1,978,045.95

Finding the Fourth Proportional to 1,995,760.65, 2,993,640.98 and 1,978,045.95

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Solution

The fourth proportional to 1,995,760.65, 2,993,640.98 and 1,978,045.95 is: 2,967,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,760.65 : 2,993,640.98 = 1,978,045.95 : x
  2. Step 2: Convert to fraction form
    1,995,760.65/2,993,640.98 = 1,978,045.95/x
  3. Step 3: Cross multiply
    1,995,760.65x = 2,993,640.98 × 1,978,045.95
  4. Step 4: Simplify right side
    1,995,760.65x = 5,921,559,406,352.80
  5. Step 5: Solve for x
    x = 5,921,559,406,352.80/1,995,760.65
  6. Step 6: Final answer
    x = 2,967,068.93

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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.