Home / 2,857,127.72-4,285,429.13-963,885.56

Finding the Fourth Proportional to 2,857,127.72, 4,285,429.13 and 963,885.56

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Solution

The fourth proportional to 2,857,127.72, 4,285,429.13 and 963,885.56 is: 1,445,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,127.72 : 4,285,429.13 = 963,885.56 : x
  2. Step 2: Convert to fraction form
    2,857,127.72/4,285,429.13 = 963,885.56/x
  3. Step 3: Cross multiply
    2,857,127.72x = 4,285,429.13 × 963,885.56
  4. Step 4: Simplify right side
    2,857,127.72x = 4,130,663,237,792.93
  5. Step 5: Solve for x
    x = 4,130,663,237,792.93/2,857,127.72
  6. Step 6: Final answer
    x = 1,445,739.80

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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.