Home / 2,990,342.79-4,126,636.20-1,701,180.39

Finding the Fourth Proportional to 2,990,342.79, 4,126,636.20 and 1,701,180.39

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Solution

The fourth proportional to 2,990,342.79, 4,126,636.20 and 1,701,180.39 is: 2,347,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,342.79 : 4,126,636.20 = 1,701,180.39 : x
  2. Step 2: Convert to fraction form
    2,990,342.79/4,126,636.20 = 1,701,180.39/x
  3. Step 3: Cross multiply
    2,990,342.79x = 4,126,636.20 × 1,701,180.39
  4. Step 4: Simplify right side
    2,990,342.79x = 7,020,152,580,104.12
  5. Step 5: Solve for x
    x = 7,020,152,580,104.12/2,990,342.79
  6. Step 6: Final answer
    x = 2,347,607.97

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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.