Home / 2,128,165.60-3,186,999.60-1,414,328.80

Finding the Fourth Proportional to 2,128,165.60, 3,186,999.60 and 1,414,328.80

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Solution

The fourth proportional to 2,128,165.60, 3,186,999.60 and 1,414,328.80 is: 2,118,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,165.60 : 3,186,999.60 = 1,414,328.80 : x
  2. Step 2: Convert to fraction form
    2,128,165.60/3,186,999.60 = 1,414,328.80/x
  3. Step 3: Cross multiply
    2,128,165.60x = 3,186,999.60 × 1,414,328.80
  4. Step 4: Simplify right side
    2,128,165.60x = 4,507,465,319,868.48
  5. Step 5: Solve for x
    x = 4,507,465,319,868.48/2,128,165.60
  6. Step 6: Final answer
    x = 2,118,004.97

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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.