Home / 1,632,009.60-2,247,134.40-1,356,739.20

Finding the Fourth Proportional to 1,632,009.60, 2,247,134.40 and 1,356,739.20

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Solution

The fourth proportional to 1,632,009.60, 2,247,134.40 and 1,356,739.20 is: 1,868,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,009.60 : 2,247,134.40 = 1,356,739.20 : x
  2. Step 2: Convert to fraction form
    1,632,009.60/2,247,134.40 = 1,356,739.20/x
  3. Step 3: Cross multiply
    1,632,009.60x = 2,247,134.40 × 1,356,739.20
  4. Step 4: Simplify right side
    1,632,009.60x = 3,048,775,328,148.48
  5. Step 5: Solve for x
    x = 3,048,775,328,148.48/1,632,009.60
  6. Step 6: Final answer
    x = 1,868,111.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.