Home / 3,066,386.39-4,231,641.57-1,689,779.37

Finding the Fourth Proportional to 3,066,386.39, 4,231,641.57 and 1,689,779.37

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Solution

The fourth proportional to 3,066,386.39, 4,231,641.57 and 1,689,779.37 is: 2,331,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,386.39 : 4,231,641.57 = 1,689,779.37 : x
  2. Step 2: Convert to fraction form
    3,066,386.39/4,231,641.57 = 1,689,779.37/x
  3. Step 3: Cross multiply
    3,066,386.39x = 4,231,641.57 × 1,689,779.37
  4. Step 4: Simplify right side
    3,066,386.39x = 7,150,540,626,220.41
  5. Step 5: Solve for x
    x = 7,150,540,626,220.41/3,066,386.39
  6. Step 6: Final answer
    x = 2,331,911.15

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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.