Home / 2,389,909.32-3,298,033.26-1,302,189.84

Finding the Fourth Proportional to 2,389,909.32, 3,298,033.26 and 1,302,189.84

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Solution

The fourth proportional to 2,389,909.32, 3,298,033.26 and 1,302,189.84 is: 1,796,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,909.32 : 3,298,033.26 = 1,302,189.84 : x
  2. Step 2: Convert to fraction form
    2,389,909.32/3,298,033.26 = 1,302,189.84/x
  3. Step 3: Cross multiply
    2,389,909.32x = 3,298,033.26 × 1,302,189.84
  4. Step 4: Simplify right side
    2,389,909.32x = 4,294,665,403,154.08
  5. Step 5: Solve for x
    x = 4,294,665,403,154.08/2,389,909.32
  6. Step 6: Final answer
    x = 1,796,999.31

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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.