Home / 3,019,311.36-4,166,564.40-1,661,184.48

Finding the Fourth Proportional to 3,019,311.36, 4,166,564.40 and 1,661,184.48

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Solution

The fourth proportional to 3,019,311.36, 4,166,564.40 and 1,661,184.48 is: 2,292,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,311.36 : 4,166,564.40 = 1,661,184.48 : x
  2. Step 2: Convert to fraction form
    3,019,311.36/4,166,564.40 = 1,661,184.48/x
  3. Step 3: Cross multiply
    3,019,311.36x = 4,166,564.40 × 1,661,184.48
  4. Step 4: Simplify right side
    3,019,311.36x = 6,921,432,116,200.51
  5. Step 5: Solve for x
    x = 6,921,432,116,200.51/3,019,311.36
  6. Step 6: Final answer
    x = 2,292,387.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.