Home / 2,085,335.10-3,128,002.65-1,284,018.30

Finding the Fourth Proportional to 2,085,335.10, 3,128,002.65 and 1,284,018.30

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Solution

The fourth proportional to 2,085,335.10, 3,128,002.65 and 1,284,018.30 is: 1,926,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,335.10 : 3,128,002.65 = 1,284,018.30 : x
  2. Step 2: Convert to fraction form
    2,085,335.10/3,128,002.65 = 1,284,018.30/x
  3. Step 3: Cross multiply
    2,085,335.10x = 3,128,002.65 × 1,284,018.30
  4. Step 4: Simplify right side
    2,085,335.10x = 4,016,412,645,048.50
  5. Step 5: Solve for x
    x = 4,016,412,645,048.50/2,085,335.10
  6. Step 6: Final answer
    x = 1,926,027.45

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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.