Home / 2,315,475.70-3,194,337.81-1,397,193.10

Finding the Fourth Proportional to 2,315,475.70, 3,194,337.81 and 1,397,193.10

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Solution

The fourth proportional to 2,315,475.70, 3,194,337.81 and 1,397,193.10 is: 1,927,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,475.70 : 3,194,337.81 = 1,397,193.10 : x
  2. Step 2: Convert to fraction form
    2,315,475.70/3,194,337.81 = 1,397,193.10/x
  3. Step 3: Cross multiply
    2,315,475.70x = 3,194,337.81 × 1,397,193.10
  4. Step 4: Simplify right side
    2,315,475.70x = 4,463,106,747,201.11
  5. Step 5: Solve for x
    x = 4,463,106,747,201.11/2,315,475.70
  6. Step 6: Final answer
    x = 1,927,511.81

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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.