Home / 2,912,790.16-4,366,153.92-1,631,519.20

Finding the Fourth Proportional to 2,912,790.16, 4,366,153.92 and 1,631,519.20

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Solution

The fourth proportional to 2,912,790.16, 4,366,153.92 and 1,631,519.20 is: 2,445,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,790.16 : 4,366,153.92 = 1,631,519.20 : x
  2. Step 2: Convert to fraction form
    2,912,790.16/4,366,153.92 = 1,631,519.20/x
  3. Step 3: Cross multiply
    2,912,790.16x = 4,366,153.92 × 1,631,519.20
  4. Step 4: Simplify right side
    2,912,790.16x = 7,123,463,942,477.67
  5. Step 5: Solve for x
    x = 7,123,463,942,477.67/2,912,790.16
  6. Step 6: Final answer
    x = 2,445,580.89

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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.