Home / 2,153,131.10-3,230,328.24-636,854

Finding the Fourth Proportional to 2,153,131.10, 3,230,328.24 and 636,854

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Solution

The fourth proportional to 2,153,131.10, 3,230,328.24 and 636,854 is: 955,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,131.10 : 3,230,328.24 = 636,854 : x
  2. Step 2: Convert to fraction form
    2,153,131.10/3,230,328.24 = 636,854/x
  3. Step 3: Cross multiply
    2,153,131.10x = 3,230,328.24 × 636,854
  4. Step 4: Simplify right side
    2,153,131.10x = 2,057,247,460,956.96
  5. Step 5: Solve for x
    x = 2,057,247,460,956.96/2,153,131.10
  6. Step 6: Final answer
    x = 955,467.81

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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.