Home / 1,485,313.47-2,236,031.19-1,330,998.75

Finding the Fourth Proportional to 1,485,313.47, 2,236,031.19 and 1,330,998.75

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Solution

The fourth proportional to 1,485,313.47, 2,236,031.19 and 1,330,998.75 is: 2,003,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,313.47 : 2,236,031.19 = 1,330,998.75 : x
  2. Step 2: Convert to fraction form
    1,485,313.47/2,236,031.19 = 1,330,998.75/x
  3. Step 3: Cross multiply
    1,485,313.47x = 2,236,031.19 × 1,330,998.75
  4. Step 4: Simplify right side
    1,485,313.47x = 2,976,154,718,851.01
  5. Step 5: Solve for x
    x = 2,976,154,718,851.01/1,485,313.47
  6. Step 6: Final answer
    x = 2,003,721.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.