Home / 2,866,790.69-3,956,171.71-1,577,631.08

Finding the Fourth Proportional to 2,866,790.69, 3,956,171.71 and 1,577,631.08

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Solution

The fourth proportional to 2,866,790.69, 3,956,171.71 and 1,577,631.08 is: 2,177,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,790.69 : 3,956,171.71 = 1,577,631.08 : x
  2. Step 2: Convert to fraction form
    2,866,790.69/3,956,171.71 = 1,577,631.08/x
  3. Step 3: Cross multiply
    2,866,790.69x = 3,956,171.71 × 1,577,631.08
  4. Step 4: Simplify right side
    2,866,790.69x = 6,241,379,423,787.81
  5. Step 5: Solve for x
    x = 6,241,379,423,787.81/2,866,790.69
  6. Step 6: Final answer
    x = 2,177,131.19

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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.