Home / 2,173,811-2,999,952.88-1,206,941.42

Finding the Fourth Proportional to 2,173,811, 2,999,952.88 and 1,206,941.42

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Solution

The fourth proportional to 2,173,811, 2,999,952.88 and 1,206,941.42 is: 1,665,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,811 : 2,999,952.88 = 1,206,941.42 : x
  2. Step 2: Convert to fraction form
    2,173,811/2,999,952.88 = 1,206,941.42/x
  3. Step 3: Cross multiply
    2,173,811x = 2,999,952.88 × 1,206,941.42
  4. Step 4: Simplify right side
    2,173,811x = 3,620,767,388,920.29
  5. Step 5: Solve for x
    x = 3,620,767,388,920.29/2,173,811
  6. Step 6: Final answer
    x = 1,665,631.18

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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.