Home / 2,209,710.48-3,049,370.34-1,242,840.36

Finding the Fourth Proportional to 2,209,710.48, 3,049,370.34 and 1,242,840.36

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Solution

The fourth proportional to 2,209,710.48, 3,049,370.34 and 1,242,840.36 is: 1,715,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,710.48 : 3,049,370.34 = 1,242,840.36 : x
  2. Step 2: Convert to fraction form
    2,209,710.48/3,049,370.34 = 1,242,840.36/x
  3. Step 3: Cross multiply
    2,209,710.48x = 3,049,370.34 × 1,242,840.36
  4. Step 4: Simplify right side
    2,209,710.48x = 3,789,880,531,138.92
  5. Step 5: Solve for x
    x = 3,789,880,531,138.92/2,209,710.48
  6. Step 6: Final answer
    x = 1,715,102.75

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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.