Home / 2,109,432.75-2,910,866.07-1,238,302.81

Finding the Fourth Proportional to 2,109,432.75, 2,910,866.07 and 1,238,302.81

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Solution

The fourth proportional to 2,109,432.75, 2,910,866.07 and 1,238,302.81 is: 1,708,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,432.75 : 2,910,866.07 = 1,238,302.81 : x
  2. Step 2: Convert to fraction form
    2,109,432.75/2,910,866.07 = 1,238,302.81/x
  3. Step 3: Cross multiply
    2,109,432.75x = 2,910,866.07 × 1,238,302.81
  4. Step 4: Simplify right side
    2,109,432.75x = 3,604,533,632,934.21
  5. Step 5: Solve for x
    x = 3,604,533,632,934.21/2,109,432.75
  6. Step 6: Final answer
    x = 1,708,769.16

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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.