Home / 3,609,140.70-5,413,711.04-1,212,985.32

Finding the Fourth Proportional to 3,609,140.70, 5,413,711.04 and 1,212,985.32

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Solution

The fourth proportional to 3,609,140.70, 5,413,711.04 and 1,212,985.32 is: 1,819,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,140.70 : 5,413,711.04 = 1,212,985.32 : x
  2. Step 2: Convert to fraction form
    3,609,140.70/5,413,711.04 = 1,212,985.32/x
  3. Step 3: Cross multiply
    3,609,140.70x = 5,413,711.04 × 1,212,985.32
  4. Step 4: Simplify right side
    3,609,140.70x = 6,566,752,018,241.93
  5. Step 5: Solve for x
    x = 6,566,752,018,241.93/3,609,140.70
  6. Step 6: Final answer
    x = 1,819,477.98

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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.