Home / 3,179,666.14-4,387,968.66-1,729,390.30

Finding the Fourth Proportional to 3,179,666.14, 4,387,968.66 and 1,729,390.30

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Solution

The fourth proportional to 3,179,666.14, 4,387,968.66 and 1,729,390.30 is: 2,386,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,666.14 : 4,387,968.66 = 1,729,390.30 : x
  2. Step 2: Convert to fraction form
    3,179,666.14/4,387,968.66 = 1,729,390.30/x
  3. Step 3: Cross multiply
    3,179,666.14x = 4,387,968.66 × 1,729,390.30
  4. Step 4: Simplify right side
    3,179,666.14x = 7,588,510,437,308.00
  5. Step 5: Solve for x
    x = 7,588,510,437,308.00/3,179,666.14
  6. Step 6: Final answer
    x = 2,386,574.60

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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.