Home / 5,109,615.12-7,051,370.76-3,301,928.40

Finding the Fourth Proportional to 5,109,615.12, 7,051,370.76 and 3,301,928.40

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Solution

The fourth proportional to 5,109,615.12, 7,051,370.76 and 3,301,928.40 is: 4,556,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,615.12 : 7,051,370.76 = 3,301,928.40 : x
  2. Step 2: Convert to fraction form
    5,109,615.12/7,051,370.76 = 3,301,928.40/x
  3. Step 3: Cross multiply
    5,109,615.12x = 7,051,370.76 × 3,301,928.40
  4. Step 4: Simplify right side
    5,109,615.12x = 23,283,121,371,373.58
  5. Step 5: Solve for x
    x = 23,283,121,371,373.58/5,109,615.12
  6. Step 6: Final answer
    x = 4,556,727.04

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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.