Home / 2,135,301.77-2,946,586.78-1,217,402.57

Finding the Fourth Proportional to 2,135,301.77, 2,946,586.78 and 1,217,402.57

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Solution

The fourth proportional to 2,135,301.77, 2,946,586.78 and 1,217,402.57 is: 1,679,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,301.77 : 2,946,586.78 = 1,217,402.57 : x
  2. Step 2: Convert to fraction form
    2,135,301.77/2,946,586.78 = 1,217,402.57/x
  3. Step 3: Cross multiply
    2,135,301.77x = 2,946,586.78 × 1,217,402.57
  4. Step 4: Simplify right side
    2,135,301.77x = 3,587,182,318,700.02
  5. Step 5: Solve for x
    x = 3,587,182,318,700.02/2,135,301.77
  6. Step 6: Final answer
    x = 1,679,941.62

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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.