Home / 2,208,341.82-3,312,507.67-692,140.28

Finding the Fourth Proportional to 2,208,341.82, 3,312,507.67 and 692,140.28

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Solution

The fourth proportional to 2,208,341.82, 3,312,507.67 and 692,140.28 is: 1,038,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,341.82 : 3,312,507.67 = 692,140.28 : x
  2. Step 2: Convert to fraction form
    2,208,341.82/3,312,507.67 = 692,140.28/x
  3. Step 3: Cross multiply
    2,208,341.82x = 3,312,507.67 × 692,140.28
  4. Step 4: Simplify right side
    2,208,341.82x = 2,292,719,992,766.87
  5. Step 5: Solve for x
    x = 2,292,719,992,766.87/2,208,341.82
  6. Step 6: Final answer
    x = 1,038,208.84

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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.