Home / 1,929,478.83-2,662,589.58-1,070,020.64

Finding the Fourth Proportional to 1,929,478.83, 2,662,589.58 and 1,070,020.64

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Solution

The fourth proportional to 1,929,478.83, 2,662,589.58 and 1,070,020.64 is: 1,476,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,478.83 : 2,662,589.58 = 1,070,020.64 : x
  2. Step 2: Convert to fraction form
    1,929,478.83/2,662,589.58 = 1,070,020.64/x
  3. Step 3: Cross multiply
    1,929,478.83x = 2,662,589.58 × 1,070,020.64
  4. Step 4: Simplify right side
    1,929,478.83x = 2,849,025,793,135.98
  5. Step 5: Solve for x
    x = 2,849,025,793,135.98/1,929,478.83
  6. Step 6: Final answer
    x = 1,476,577.90

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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.