Home / 3,132,609.69-4,698,918.63-858,154.32

Finding the Fourth Proportional to 3,132,609.69, 4,698,918.63 and 858,154.32

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Solution

The fourth proportional to 3,132,609.69, 4,698,918.63 and 858,154.32 is: 1,287,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,609.69 : 4,698,918.63 = 858,154.32 : x
  2. Step 2: Convert to fraction form
    3,132,609.69/4,698,918.63 = 858,154.32/x
  3. Step 3: Cross multiply
    3,132,609.69x = 4,698,918.63 × 858,154.32
  4. Step 4: Simplify right side
    3,132,609.69x = 4,032,397,321,662.98
  5. Step 5: Solve for x
    x = 4,032,397,321,662.98/3,132,609.69
  6. Step 6: Final answer
    x = 1,287,232.60

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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.