Home / 2,115,815.93-2,919,836.78-1,148,946.23

Finding the Fourth Proportional to 2,115,815.93, 2,919,836.78 and 1,148,946.23

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Solution

The fourth proportional to 2,115,815.93, 2,919,836.78 and 1,148,946.23 is: 1,585,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,815.93 : 2,919,836.78 = 1,148,946.23 : x
  2. Step 2: Convert to fraction form
    2,115,815.93/2,919,836.78 = 1,148,946.23/x
  3. Step 3: Cross multiply
    2,115,815.93x = 2,919,836.78 × 1,148,946.23
  4. Step 4: Simplify right side
    2,115,815.93x = 3,354,735,440,252.42
  5. Step 5: Solve for x
    x = 3,354,735,440,252.42/2,115,815.93
  6. Step 6: Final answer
    x = 1,585,551.65

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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.