Home / 4,890,992.40-7,337,525.40-1,478,998.80

Finding the Fourth Proportional to 4,890,992.40, 7,337,525.40 and 1,478,998.80

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Solution

The fourth proportional to 4,890,992.40, 7,337,525.40 and 1,478,998.80 is: 2,218,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,992.40 : 7,337,525.40 = 1,478,998.80 : x
  2. Step 2: Convert to fraction form
    4,890,992.40/7,337,525.40 = 1,478,998.80/x
  3. Step 3: Cross multiply
    4,890,992.40x = 7,337,525.40 × 1,478,998.80
  4. Step 4: Simplify right side
    4,890,992.40x = 10,852,191,261,569.52
  5. Step 5: Solve for x
    x = 10,852,191,261,569.52/4,890,992.40
  6. Step 6: Final answer
    x = 2,218,811.72

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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.