Home / 1,827,110.47-2,740,650.54-1,428,086.65

Finding the Fourth Proportional to 1,827,110.47, 2,740,650.54 and 1,428,086.65

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Solution

The fourth proportional to 1,827,110.47, 2,740,650.54 and 1,428,086.65 is: 2,142,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,110.47 : 2,740,650.54 = 1,428,086.65 : x
  2. Step 2: Convert to fraction form
    1,827,110.47/2,740,650.54 = 1,428,086.65/x
  3. Step 3: Cross multiply
    1,827,110.47x = 2,740,650.54 × 1,428,086.65
  4. Step 4: Simplify right side
    1,827,110.47x = 3,913,886,448,489.29
  5. Step 5: Solve for x
    x = 3,913,886,448,489.29/1,827,110.47
  6. Step 6: Final answer
    x = 2,142,118.12

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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.