Home / 1,949,098.16-2,921,684.58-812,489.69

Finding the Fourth Proportional to 1,949,098.16, 2,921,684.58 and 812,489.69

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Solution

The fourth proportional to 1,949,098.16, 2,921,684.58 and 812,489.69 is: 1,217,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,098.16 : 2,921,684.58 = 812,489.69 : x
  2. Step 2: Convert to fraction form
    1,949,098.16/2,921,684.58 = 812,489.69/x
  3. Step 3: Cross multiply
    1,949,098.16x = 2,921,684.58 × 812,489.69
  4. Step 4: Simplify right side
    1,949,098.16x = 2,373,838,598,681.98
  5. Step 5: Solve for x
    x = 2,373,838,598,681.98/1,949,098.16
  6. Step 6: Final answer
    x = 1,217,916.39

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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.