Home / 3,409,212.80-5,110,276.80-1,386,588.80

Finding the Fourth Proportional to 3,409,212.80, 5,110,276.80 and 1,386,588.80

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Solution

The fourth proportional to 3,409,212.80, 5,110,276.80 and 1,386,588.80 is: 2,078,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,212.80 : 5,110,276.80 = 1,386,588.80 : x
  2. Step 2: Convert to fraction form
    3,409,212.80/5,110,276.80 = 1,386,588.80/x
  3. Step 3: Cross multiply
    3,409,212.80x = 5,110,276.80 × 1,386,588.80
  4. Step 4: Simplify right side
    3,409,212.80x = 7,085,852,575,779.84
  5. Step 5: Solve for x
    x = 7,085,852,575,779.84/3,409,212.80
  6. Step 6: Final answer
    x = 2,078,442.44

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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.