Home / 3,139,512.40-4,709,268.60-1,623,192.40

Finding the Fourth Proportional to 3,139,512.40, 4,709,268.60 and 1,623,192.40

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Solution

The fourth proportional to 3,139,512.40, 4,709,268.60 and 1,623,192.40 is: 2,434,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,512.40 : 4,709,268.60 = 1,623,192.40 : x
  2. Step 2: Convert to fraction form
    3,139,512.40/4,709,268.60 = 1,623,192.40/x
  3. Step 3: Cross multiply
    3,139,512.40x = 4,709,268.60 × 1,623,192.40
  4. Step 4: Simplify right side
    3,139,512.40x = 7,644,049,001,078.64
  5. Step 5: Solve for x
    x = 7,644,049,001,078.64/3,139,512.40
  6. Step 6: Final answer
    x = 2,434,788.60

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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.