Home / 2,912,145.14-4,368,217.73-890,389.10

Finding the Fourth Proportional to 2,912,145.14, 4,368,217.73 and 890,389.10

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Solution

The fourth proportional to 2,912,145.14, 4,368,217.73 and 890,389.10 is: 1,335,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,145.14 : 4,368,217.73 = 890,389.10 : x
  2. Step 2: Convert to fraction form
    2,912,145.14/4,368,217.73 = 890,389.10/x
  3. Step 3: Cross multiply
    2,912,145.14x = 4,368,217.73 × 890,389.10
  4. Step 4: Simplify right side
    2,912,145.14x = 3,889,413,453,218.74
  5. Step 5: Solve for x
    x = 3,889,413,453,218.74/2,912,145.14
  6. Step 6: Final answer
    x = 1,335,583.66

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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.