Home / 1,962,643.80-2,943,090.90-897,137.40

Finding the Fourth Proportional to 1,962,643.80, 2,943,090.90 and 897,137.40

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Solution

The fourth proportional to 1,962,643.80, 2,943,090.90 and 897,137.40 is: 1,345,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,643.80 : 2,943,090.90 = 897,137.40 : x
  2. Step 2: Convert to fraction form
    1,962,643.80/2,943,090.90 = 897,137.40/x
  3. Step 3: Cross multiply
    1,962,643.80x = 2,943,090.90 × 897,137.40
  4. Step 4: Simplify right side
    1,962,643.80x = 2,640,356,917,989.66
  5. Step 5: Solve for x
    x = 2,640,356,917,989.66/1,962,643.80
  6. Step 6: Final answer
    x = 1,345,306.22

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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.