Home / 1,893,501.20-2,842,001.40-947,550.80

Finding the Fourth Proportional to 1,893,501.20, 2,842,001.40 and 947,550.80

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Solution

The fourth proportional to 1,893,501.20, 2,842,001.40 and 947,550.80 is: 1,422,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,501.20 : 2,842,001.40 = 947,550.80 : x
  2. Step 2: Convert to fraction form
    1,893,501.20/2,842,001.40 = 947,550.80/x
  3. Step 3: Cross multiply
    1,893,501.20x = 2,842,001.40 × 947,550.80
  4. Step 4: Simplify right side
    1,893,501.20x = 2,692,940,700,171.12
  5. Step 5: Solve for x
    x = 2,692,940,700,171.12/1,893,501.20
  6. Step 6: Final answer
    x = 1,422,201.74

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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.