Home / 2,390,902.43-3,299,416.20-1,303,170.57

Finding the Fourth Proportional to 2,390,902.43, 3,299,416.20 and 1,303,170.57

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Solution

The fourth proportional to 2,390,902.43, 3,299,416.20 and 1,303,170.57 is: 1,798,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,902.43 : 3,299,416.20 = 1,303,170.57 : x
  2. Step 2: Convert to fraction form
    2,390,902.43/3,299,416.20 = 1,303,170.57/x
  3. Step 3: Cross multiply
    2,390,902.43x = 3,299,416.20 × 1,303,170.57
  4. Step 4: Simplify right side
    2,390,902.43x = 4,299,702,090,021.23
  5. Step 5: Solve for x
    x = 4,299,702,090,021.23/2,390,902.43
  6. Step 6: Final answer
    x = 1,798,359.50

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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.