Home / 2,489,001.21-3,434,558.76-1,401,253.02

Finding the Fourth Proportional to 2,489,001.21, 3,434,558.76 and 1,401,253.02

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Solution

The fourth proportional to 2,489,001.21, 3,434,558.76 and 1,401,253.02 is: 1,933,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,001.21 : 3,434,558.76 = 1,401,253.02 : x
  2. Step 2: Convert to fraction form
    2,489,001.21/3,434,558.76 = 1,401,253.02/x
  3. Step 3: Cross multiply
    2,489,001.21x = 3,434,558.76 × 1,401,253.02
  4. Step 4: Simplify right side
    2,489,001.21x = 4,812,685,834,817.46
  5. Step 5: Solve for x
    x = 4,812,685,834,817.46/2,489,001.21
  6. Step 6: Final answer
    x = 1,933,581.16

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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.