Home / 2,807,814.16-4,200,639.72-2,126,663.18

Finding the Fourth Proportional to 2,807,814.16, 4,200,639.72 and 2,126,663.18

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Solution

The fourth proportional to 2,807,814.16, 4,200,639.72 and 2,126,663.18 is: 3,181,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,814.16 : 4,200,639.72 = 2,126,663.18 : x
  2. Step 2: Convert to fraction form
    2,807,814.16/4,200,639.72 = 2,126,663.18/x
  3. Step 3: Cross multiply
    2,807,814.16x = 4,200,639.72 × 2,126,663.18
  4. Step 4: Simplify right side
    2,807,814.16x = 8,933,345,853,316.04
  5. Step 5: Solve for x
    x = 8,933,345,853,316.04/2,807,814.16
  6. Step 6: Final answer
    x = 3,181,601.54

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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.