Home / 2,157,930-2,977,943.40-1,204,074

Finding the Fourth Proportional to 2,157,930, 2,977,943.40 and 1,204,074

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Solution

The fourth proportional to 2,157,930, 2,977,943.40 and 1,204,074 is: 1,661,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,930 : 2,977,943.40 = 1,204,074 : x
  2. Step 2: Convert to fraction form
    2,157,930/2,977,943.40 = 1,204,074/x
  3. Step 3: Cross multiply
    2,157,930x = 2,977,943.40 × 1,204,074
  4. Step 4: Simplify right side
    2,157,930x = 3,585,664,221,411.60
  5. Step 5: Solve for x
    x = 3,585,664,221,411.60/2,157,930
  6. Step 6: Final answer
    x = 1,661,622.12

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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.