Home / 4,689,825.40-7,029,813.30-2,985,274.36

Finding the Fourth Proportional to 4,689,825.40, 7,029,813.30 and 2,985,274.36

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Solution

The fourth proportional to 4,689,825.40, 7,029,813.30 and 2,985,274.36 is: 4,474,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689,825.40 : 7,029,813.30 = 2,985,274.36 : x
  2. Step 2: Convert to fraction form
    4,689,825.40/7,029,813.30 = 2,985,274.36/x
  3. Step 3: Cross multiply
    4,689,825.40x = 7,029,813.30 × 2,985,274.36
  4. Step 4: Simplify right side
    4,689,825.40x = 20,985,921,400,076.99
  5. Step 5: Solve for x
    x = 20,985,921,400,076.99/4,689,825.40
  6. Step 6: Final answer
    x = 4,474,776.69

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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.