Home / 2,781,214.91-4,172,473.29-862,025.81

Finding the Fourth Proportional to 2,781,214.91, 4,172,473.29 and 862,025.81

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Solution

The fourth proportional to 2,781,214.91, 4,172,473.29 and 862,025.81 is: 1,293,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,214.91 : 4,172,473.29 = 862,025.81 : x
  2. Step 2: Convert to fraction form
    2,781,214.91/4,172,473.29 = 862,025.81/x
  3. Step 3: Cross multiply
    2,781,214.91x = 4,172,473.29 × 862,025.81
  4. Step 4: Simplify right side
    2,781,214.91x = 3,596,779,667,515.62
  5. Step 5: Solve for x
    x = 3,596,779,667,515.62/2,781,214.91
  6. Step 6: Final answer
    x = 1,293,240.47

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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.