Home / 2,807,684.35-4,200,445.62-2,126,533.89

Finding the Fourth Proportional to 2,807,684.35, 4,200,445.62 and 2,126,533.89

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Solution

The fourth proportional to 2,807,684.35, 4,200,445.62 and 2,126,533.89 is: 3,181,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,684.35 : 4,200,445.62 = 2,126,533.89 : x
  2. Step 2: Convert to fraction form
    2,807,684.35/4,200,445.62 = 2,126,533.89/x
  3. Step 3: Cross multiply
    2,807,684.35x = 4,200,445.62 × 2,126,533.89
  4. Step 4: Simplify right side
    2,807,684.35x = 8,932,389,968,269.40
  5. Step 5: Solve for x
    x = 8,932,389,968,269.40/2,807,684.35
  6. Step 6: Final answer
    x = 3,181,408.18

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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.