Home / 2,379,075.30-3,283,036.11-1,291,323.87

Finding the Fourth Proportional to 2,379,075.30, 3,283,036.11 and 1,291,323.87

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Solution

The fourth proportional to 2,379,075.30, 3,283,036.11 and 1,291,323.87 is: 1,781,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,075.30 : 3,283,036.11 = 1,291,323.87 : x
  2. Step 2: Convert to fraction form
    2,379,075.30/3,283,036.11 = 1,291,323.87/x
  3. Step 3: Cross multiply
    2,379,075.30x = 3,283,036.11 × 1,291,323.87
  4. Step 4: Simplify right side
    2,379,075.30x = 4,239,462,894,914.95
  5. Step 5: Solve for x
    x = 4,239,462,894,914.95/2,379,075.30
  6. Step 6: Final answer
    x = 1,781,979.28

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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.