Home / 2,911,457.20-4,367,185.80-1,635,998.80

Finding the Fourth Proportional to 2,911,457.20, 4,367,185.80 and 1,635,998.80

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Solution

The fourth proportional to 2,911,457.20, 4,367,185.80 and 1,635,998.80 is: 2,453,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,457.20 : 4,367,185.80 = 1,635,998.80 : x
  2. Step 2: Convert to fraction form
    2,911,457.20/4,367,185.80 = 1,635,998.80/x
  3. Step 3: Cross multiply
    2,911,457.20x = 4,367,185.80 × 1,635,998.80
  4. Step 4: Simplify right side
    2,911,457.20x = 7,144,710,728,177.04
  5. Step 5: Solve for x
    x = 7,144,710,728,177.04/2,911,457.20
  6. Step 6: Final answer
    x = 2,453,998.20

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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.