Home / 2,209,994.40-3,312,658.80-1,261,322.40

Finding the Fourth Proportional to 2,209,994.40, 3,312,658.80 and 1,261,322.40

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Solution

The fourth proportional to 2,209,994.40, 3,312,658.80 and 1,261,322.40 is: 1,890,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,994.40 : 3,312,658.80 = 1,261,322.40 : x
  2. Step 2: Convert to fraction form
    2,209,994.40/3,312,658.80 = 1,261,322.40/x
  3. Step 3: Cross multiply
    2,209,994.40x = 3,312,658.80 × 1,261,322.40
  4. Step 4: Simplify right side
    2,209,994.40x = 4,178,330,747,997.12
  5. Step 5: Solve for x
    x = 4,178,330,747,997.12/2,209,994.40
  6. Step 6: Final answer
    x = 1,890,652.19

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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.