Home / 5,172,716.42-7,759,542.10-1,977,870.27

Finding the Fourth Proportional to 5,172,716.42, 7,759,542.10 and 1,977,870.27

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Solution

The fourth proportional to 5,172,716.42, 7,759,542.10 and 1,977,870.27 is: 2,966,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,716.42 : 7,759,542.10 = 1,977,870.27 : x
  2. Step 2: Convert to fraction form
    5,172,716.42/7,759,542.10 = 1,977,870.27/x
  3. Step 3: Cross multiply
    5,172,716.42x = 7,759,542.10 × 1,977,870.27
  4. Step 4: Simplify right side
    5,172,716.42x = 15,347,367,628,403.37
  5. Step 5: Solve for x
    x = 15,347,367,628,403.37/5,172,716.42
  6. Step 6: Final answer
    x = 2,966,984.15

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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.