Home / 2,157,403.80-3,237,012.90-1,158,965.40

Finding the Fourth Proportional to 2,157,403.80, 3,237,012.90 and 1,158,965.40

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Solution

The fourth proportional to 2,157,403.80, 3,237,012.90 and 1,158,965.40 is: 1,738,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,403.80 : 3,237,012.90 = 1,158,965.40 : x
  2. Step 2: Convert to fraction form
    2,157,403.80/3,237,012.90 = 1,158,965.40/x
  3. Step 3: Cross multiply
    2,157,403.80x = 3,237,012.90 × 1,158,965.40
  4. Step 4: Simplify right side
    2,157,403.80x = 3,751,585,950,453.66
  5. Step 5: Solve for x
    x = 3,751,585,950,453.66/2,157,403.80
  6. Step 6: Final answer
    x = 1,738,935.45

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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.