Home / 5,102,400.60-7,643,103.30-2,579,477.40

Finding the Fourth Proportional to 5,102,400.60, 7,643,103.30 and 2,579,477.40

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Solution

The fourth proportional to 5,102,400.60, 7,643,103.30 and 2,579,477.40 is: 3,863,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,400.60 : 7,643,103.30 = 2,579,477.40 : x
  2. Step 2: Convert to fraction form
    5,102,400.60/7,643,103.30 = 2,579,477.40/x
  3. Step 3: Cross multiply
    5,102,400.60x = 7,643,103.30 × 2,579,477.40
  4. Step 4: Simplify right side
    5,102,400.60x = 19,715,212,228,215.42
  5. Step 5: Solve for x
    x = 19,715,212,228,215.42/5,102,400.60
  6. Step 6: Final answer
    x = 3,863,909.12

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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.