Home / 3,120,509.14-4,680,428.37-2,116,078.36

Finding the Fourth Proportional to 3,120,509.14, 4,680,428.37 and 2,116,078.36

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Solution

The fourth proportional to 3,120,509.14, 4,680,428.37 and 2,116,078.36 is: 3,173,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,509.14 : 4,680,428.37 = 2,116,078.36 : x
  2. Step 2: Convert to fraction form
    3,120,509.14/4,680,428.37 = 2,116,078.36/x
  3. Step 3: Cross multiply
    3,120,509.14x = 4,680,428.37 × 2,116,078.36
  4. Step 4: Simplify right side
    3,120,509.14x = 9,904,153,189,287.07
  5. Step 5: Solve for x
    x = 9,904,153,189,287.07/3,120,509.14
  6. Step 6: Final answer
    x = 3,173,890.14

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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.