Home / 2,661,946.66-3,993,593.55-742,857.65

Finding the Fourth Proportional to 2,661,946.66, 3,993,593.55 and 742,857.65

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Solution

The fourth proportional to 2,661,946.66, 3,993,593.55 and 742,857.65 is: 1,114,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,946.66 : 3,993,593.55 = 742,857.65 : x
  2. Step 2: Convert to fraction form
    2,661,946.66/3,993,593.55 = 742,857.65/x
  3. Step 3: Cross multiply
    2,661,946.66x = 3,993,593.55 × 742,857.65
  4. Step 4: Simplify right side
    2,661,946.66x = 2,966,671,495,925.90
  5. Step 5: Solve for x
    x = 2,966,671,495,925.90/2,661,946.66
  6. Step 6: Final answer
    x = 1,114,474.44

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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.