Home / 3,150,978.60-4,728,800.70-2,085,666.60

Finding the Fourth Proportional to 3,150,978.60, 4,728,800.70 and 2,085,666.60

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Solution

The fourth proportional to 3,150,978.60, 4,728,800.70 and 2,085,666.60 is: 3,130,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,978.60 : 4,728,800.70 = 2,085,666.60 : x
  2. Step 2: Convert to fraction form
    3,150,978.60/4,728,800.70 = 2,085,666.60/x
  3. Step 3: Cross multiply
    3,150,978.60x = 4,728,800.70 × 2,085,666.60
  4. Step 4: Simplify right side
    3,150,978.60x = 9,862,701,678,046.62
  5. Step 5: Solve for x
    x = 9,862,701,678,046.62/3,150,978.60
  6. Step 6: Final answer
    x = 3,130,044.01

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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.