Home / 1,946,121.80-2,912,184.30-1,316,265.80

Finding the Fourth Proportional to 1,946,121.80, 2,912,184.30 and 1,316,265.80

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Solution

The fourth proportional to 1,946,121.80, 2,912,184.30 and 1,316,265.80 is: 1,969,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,121.80 : 2,912,184.30 = 1,316,265.80 : x
  2. Step 2: Convert to fraction form
    1,946,121.80/2,912,184.30 = 1,316,265.80/x
  3. Step 3: Cross multiply
    1,946,121.80x = 2,912,184.30 × 1,316,265.80
  4. Step 4: Simplify right side
    1,946,121.80x = 3,833,208,597,386.94
  5. Step 5: Solve for x
    x = 3,833,208,597,386.94/1,946,121.80
  6. Step 6: Final answer
    x = 1,969,665.31

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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.