Home / 2,379,017.63-3,283,046.98-1,291,288.91

Finding the Fourth Proportional to 2,379,017.63, 3,283,046.98 and 1,291,288.91

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Solution

The fourth proportional to 2,379,017.63, 3,283,046.98 and 1,291,288.91 is: 1,781,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,017.63 : 3,283,046.98 = 1,291,288.91 : x
  2. Step 2: Convert to fraction form
    2,379,017.63/3,283,046.98 = 1,291,288.91/x
  3. Step 3: Cross multiply
    2,379,017.63x = 3,283,046.98 × 1,291,288.91
  4. Step 4: Simplify right side
    2,379,017.63x = 4,239,362,156,282.99
  5. Step 5: Solve for x
    x = 4,239,362,156,282.99/2,379,017.63
  6. Step 6: Final answer
    x = 1,781,980.13

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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.