Home / 2,912,717.65-4,369,869.92-890,916.75

Finding the Fourth Proportional to 2,912,717.65, 4,369,869.92 and 890,916.75

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Solution

The fourth proportional to 2,912,717.65, 4,369,869.92 and 890,916.75 is: 1,336,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,717.65 : 4,369,869.92 = 890,916.75 : x
  2. Step 2: Convert to fraction form
    2,912,717.65/4,369,869.92 = 890,916.75/x
  3. Step 3: Cross multiply
    2,912,717.65x = 4,369,869.92 × 890,916.75
  4. Step 4: Simplify right side
    2,912,717.65x = 3,893,190,285,199.81
  5. Step 5: Solve for x
    x = 3,893,190,285,199.81/2,912,717.65
  6. Step 6: Final answer
    x = 1,336,617.81

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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.