Home / 1,929,446.40-2,662,643.20-1,070,086.08

Finding the Fourth Proportional to 1,929,446.40, 2,662,643.20 and 1,070,086.08

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Solution

The fourth proportional to 1,929,446.40, 2,662,643.20 and 1,070,086.08 is: 1,476,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,446.40 : 2,662,643.20 = 1,070,086.08 : x
  2. Step 2: Convert to fraction form
    1,929,446.40/2,662,643.20 = 1,070,086.08/x
  3. Step 3: Cross multiply
    1,929,446.40x = 2,662,643.20 × 1,070,086.08
  4. Step 4: Simplify right side
    1,929,446.40x = 2,849,257,424,326.66
  5. Step 5: Solve for x
    x = 2,849,257,424,326.66/1,929,446.40
  6. Step 6: Final answer
    x = 1,476,722.77

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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.