Home / 2,121,590.51-2,926,472.76-1,294,286.07

Finding the Fourth Proportional to 2,121,590.51, 2,926,472.76 and 1,294,286.07

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Solution

The fourth proportional to 2,121,590.51, 2,926,472.76 and 1,294,286.07 is: 1,785,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,590.51 : 2,926,472.76 = 1,294,286.07 : x
  2. Step 2: Convert to fraction form
    2,121,590.51/2,926,472.76 = 1,294,286.07/x
  3. Step 3: Cross multiply
    2,121,590.51x = 2,926,472.76 × 1,294,286.07
  4. Step 4: Simplify right side
    2,121,590.51x = 3,787,692,927,502.45
  5. Step 5: Solve for x
    x = 3,787,692,927,502.45/2,121,590.51
  6. Step 6: Final answer
    x = 1,785,308.20

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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.