Home / 1,857,930.81-2,563,966.07-1,031,021.65

Finding the Fourth Proportional to 1,857,930.81, 2,563,966.07 and 1,031,021.65

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Solution

The fourth proportional to 1,857,930.81, 2,563,966.07 and 1,031,021.65 is: 1,422,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,930.81 : 2,563,966.07 = 1,031,021.65 : x
  2. Step 2: Convert to fraction form
    1,857,930.81/2,563,966.07 = 1,031,021.65/x
  3. Step 3: Cross multiply
    1,857,930.81x = 2,563,966.07 × 1,031,021.65
  4. Step 4: Simplify right side
    1,857,930.81x = 2,643,504,528,035.42
  5. Step 5: Solve for x
    x = 2,643,504,528,035.42/1,857,930.81
  6. Step 6: Final answer
    x = 1,422,821.84

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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.