Home / 2,316,396.40-3,473,365.80-820,537.20

Finding the Fourth Proportional to 2,316,396.40, 3,473,365.80 and 820,537.20

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Solution

The fourth proportional to 2,316,396.40, 3,473,365.80 and 820,537.20 is: 1,230,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,396.40 : 3,473,365.80 = 820,537.20 : x
  2. Step 2: Convert to fraction form
    2,316,396.40/3,473,365.80 = 820,537.20/x
  3. Step 3: Cross multiply
    2,316,396.40x = 3,473,365.80 × 820,537.20
  4. Step 4: Simplify right side
    2,316,396.40x = 2,850,025,848,107.76
  5. Step 5: Solve for x
    x = 2,850,025,848,107.76/2,316,396.40
  6. Step 6: Final answer
    x = 1,230,370.52

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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.