Home / 2,477,081.34-3,418,098.93-1,389,129.03

Finding the Fourth Proportional to 2,477,081.34, 3,418,098.93 and 1,389,129.03

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Solution

The fourth proportional to 2,477,081.34, 3,418,098.93 and 1,389,129.03 is: 1,916,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,081.34 : 3,418,098.93 = 1,389,129.03 : x
  2. Step 2: Convert to fraction form
    2,477,081.34/3,418,098.93 = 1,389,129.03/x
  3. Step 3: Cross multiply
    2,477,081.34x = 3,418,098.93 × 1,389,129.03
  4. Step 4: Simplify right side
    2,477,081.34x = 4,748,180,451,074.94
  5. Step 5: Solve for x
    x = 4,748,180,451,074.94/2,477,081.34
  6. Step 6: Final answer
    x = 1,916,844.79

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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.