Home / 5,103,807.04-7,043,249.82-2,811,967.72

Finding the Fourth Proportional to 5,103,807.04, 7,043,249.82 and 2,811,967.72

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Solution

The fourth proportional to 5,103,807.04, 7,043,249.82 and 2,811,967.72 is: 3,880,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,807.04 : 7,043,249.82 = 2,811,967.72 : x
  2. Step 2: Convert to fraction form
    5,103,807.04/7,043,249.82 = 2,811,967.72/x
  3. Step 3: Cross multiply
    5,103,807.04x = 7,043,249.82 × 2,811,967.72
  4. Step 4: Simplify right side
    5,103,807.04x = 19,805,391,137,735.81
  5. Step 5: Solve for x
    x = 19,805,391,137,735.81/5,103,807.04
  6. Step 6: Final answer
    x = 3,880,513.31

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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.