Home / 2,338,276.80-3,507,415.20-917,860.80

Finding the Fourth Proportional to 2,338,276.80, 3,507,415.20 and 917,860.80

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Solution

The fourth proportional to 2,338,276.80, 3,507,415.20 and 917,860.80 is: 1,376,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338,276.80 : 3,507,415.20 = 917,860.80 : x
  2. Step 2: Convert to fraction form
    2,338,276.80/3,507,415.20 = 917,860.80/x
  3. Step 3: Cross multiply
    2,338,276.80x = 3,507,415.20 × 917,860.80
  4. Step 4: Simplify right side
    2,338,276.80x = 3,219,318,921,404.16
  5. Step 5: Solve for x
    x = 3,219,318,921,404.16/2,338,276.80
  6. Step 6: Final answer
    x = 1,376,791.20

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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.