Home / 2,308,738.48-3,186,035.60-1,290,143.24

Finding the Fourth Proportional to 2,308,738.48, 3,186,035.60 and 1,290,143.24

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Solution

The fourth proportional to 2,308,738.48, 3,186,035.60 and 1,290,143.24 is: 1,780,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,738.48 : 3,186,035.60 = 1,290,143.24 : x
  2. Step 2: Convert to fraction form
    2,308,738.48/3,186,035.60 = 1,290,143.24/x
  3. Step 3: Cross multiply
    2,308,738.48x = 3,186,035.60 × 1,290,143.24
  4. Step 4: Simplify right side
    2,308,738.48x = 4,110,442,291,739.34
  5. Step 5: Solve for x
    x = 4,110,442,291,739.34/2,308,738.48
  6. Step 6: Final answer
    x = 1,780,384.54

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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.