Home / 2,391,374.90-3,300,075.70-1,318,286.90

Finding the Fourth Proportional to 2,391,374.90, 3,300,075.70 and 1,318,286.90

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Solution

The fourth proportional to 2,391,374.90, 3,300,075.70 and 1,318,286.90 is: 1,819,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,374.90 : 3,300,075.70 = 1,318,286.90 : x
  2. Step 2: Convert to fraction form
    2,391,374.90/3,300,075.70 = 1,318,286.90/x
  3. Step 3: Cross multiply
    2,391,374.90x = 3,300,075.70 × 1,318,286.90
  4. Step 4: Simplify right side
    2,391,374.90x = 4,350,446,544,522.23
  5. Step 5: Solve for x
    x = 4,350,446,544,522.23/2,391,374.90
  6. Step 6: Final answer
    x = 1,819,223.98

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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.