Home / 3,460,369.90-5,188,999.65-1,329,745.90

Finding the Fourth Proportional to 3,460,369.90, 5,188,999.65 and 1,329,745.90

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Solution

The fourth proportional to 3,460,369.90, 5,188,999.65 and 1,329,745.90 is: 1,994,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,369.90 : 5,188,999.65 = 1,329,745.90 : x
  2. Step 2: Convert to fraction form
    3,460,369.90/5,188,999.65 = 1,329,745.90/x
  3. Step 3: Cross multiply
    3,460,369.90x = 5,188,999.65 × 1,329,745.90
  4. Step 4: Simplify right side
    3,460,369.90x = 6,900,051,009,688.94
  5. Step 5: Solve for x
    x = 6,900,051,009,688.94/3,460,369.90
  6. Step 6: Final answer
    x = 1,994,021.22

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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.