Home / 1,918,392.49-2,646,752.89-1,367,195.02

Finding the Fourth Proportional to 1,918,392.49, 2,646,752.89 and 1,367,195.02

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Solution

The fourth proportional to 1,918,392.49, 2,646,752.89 and 1,367,195.02 is: 1,886,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,392.49 : 2,646,752.89 = 1,367,195.02 : x
  2. Step 2: Convert to fraction form
    1,918,392.49/2,646,752.89 = 1,367,195.02/x
  3. Step 3: Cross multiply
    1,918,392.49x = 2,646,752.89 × 1,367,195.02
  4. Step 4: Simplify right side
    1,918,392.49x = 3,618,627,370,378.61
  5. Step 5: Solve for x
    x = 3,618,627,370,378.61/1,918,392.49
  6. Step 6: Final answer
    x = 1,886,281.03

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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.