Home / 2,763,629.61-4,142,299.73-1,681,756.08

Finding the Fourth Proportional to 2,763,629.61, 4,142,299.73 and 1,681,756.08

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Solution

The fourth proportional to 2,763,629.61, 4,142,299.73 and 1,681,756.08 is: 2,520,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,629.61 : 4,142,299.73 = 1,681,756.08 : x
  2. Step 2: Convert to fraction form
    2,763,629.61/4,142,299.73 = 1,681,756.08/x
  3. Step 3: Cross multiply
    2,763,629.61x = 4,142,299.73 × 1,681,756.08
  4. Step 4: Simplify right side
    2,763,629.61x = 6,966,337,747,701.08
  5. Step 5: Solve for x
    x = 6,966,337,747,701.08/2,763,629.61
  6. Step 6: Final answer
    x = 2,520,720.48

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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.