Home / 3,612,631.66-4,980,608.78-2,870,021.45

Finding the Fourth Proportional to 3,612,631.66, 4,980,608.78 and 2,870,021.45

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Solution

The fourth proportional to 3,612,631.66, 4,980,608.78 and 2,870,021.45 is: 3,956,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,631.66 : 4,980,608.78 = 2,870,021.45 : x
  2. Step 2: Convert to fraction form
    3,612,631.66/4,980,608.78 = 2,870,021.45/x
  3. Step 3: Cross multiply
    3,612,631.66x = 4,980,608.78 × 2,870,021.45
  4. Step 4: Simplify right side
    3,612,631.66x = 14,294,454,052,284.91
  5. Step 5: Solve for x
    x = 14,294,454,052,284.91/3,612,631.66
  6. Step 6: Final answer
    x = 3,956,798.09

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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.