Home / 1,811,173.74-2,499,479.70-995,406.36

Finding the Fourth Proportional to 1,811,173.74, 2,499,479.70 and 995,406.36

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Solution

The fourth proportional to 1,811,173.74, 2,499,479.70 and 995,406.36 is: 1,373,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,173.74 : 2,499,479.70 = 995,406.36 : x
  2. Step 2: Convert to fraction form
    1,811,173.74/2,499,479.70 = 995,406.36/x
  3. Step 3: Cross multiply
    1,811,173.74x = 2,499,479.70 × 995,406.36
  4. Step 4: Simplify right side
    1,811,173.74x = 2,487,997,990,070.89
  5. Step 5: Solve for x
    x = 2,487,997,990,070.89/1,811,173.74
  6. Step 6: Final answer
    x = 1,373,693.72

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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.