Home / 1,994,869.32-2,992,741.53-647,168.23

Finding the Fourth Proportional to 1,994,869.32, 2,992,741.53 and 647,168.23

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Solution

The fourth proportional to 1,994,869.32, 2,992,741.53 and 647,168.23 is: 970,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,869.32 : 2,992,741.53 = 647,168.23 : x
  2. Step 2: Convert to fraction form
    1,994,869.32/2,992,741.53 = 647,168.23/x
  3. Step 3: Cross multiply
    1,994,869.32x = 2,992,741.53 × 647,168.23
  4. Step 4: Simplify right side
    1,994,869.32x = 1,936,807,240,131.64
  5. Step 5: Solve for x
    x = 1,936,807,240,131.64/1,994,869.32
  6. Step 6: Final answer
    x = 970,894.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.