Home / 2,485,599.81-3,430,095.22-1,397,871.06

Finding the Fourth Proportional to 2,485,599.81, 3,430,095.22 and 1,397,871.06

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Solution

The fourth proportional to 2,485,599.81, 3,430,095.22 and 1,397,871.06 is: 1,929,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,599.81 : 3,430,095.22 = 1,397,871.06 : x
  2. Step 2: Convert to fraction form
    2,485,599.81/3,430,095.22 = 1,397,871.06/x
  3. Step 3: Cross multiply
    2,485,599.81x = 3,430,095.22 × 1,397,871.06
  4. Step 4: Simplify right side
    2,485,599.81x = 4,794,830,841,082.33
  5. Step 5: Solve for x
    x = 4,794,830,841,082.33/2,485,599.81
  6. Step 6: Final answer
    x = 1,929,043.78

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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.