Home / 1,981,907.16-2,734,262.64-1,401,982.80

Finding the Fourth Proportional to 1,981,907.16, 2,734,262.64 and 1,401,982.80

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Solution

The fourth proportional to 1,981,907.16, 2,734,262.64 and 1,401,982.80 is: 1,934,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,907.16 : 2,734,262.64 = 1,401,982.80 : x
  2. Step 2: Convert to fraction form
    1,981,907.16/2,734,262.64 = 1,401,982.80/x
  3. Step 3: Cross multiply
    1,981,907.16x = 2,734,262.64 × 1,401,982.80
  4. Step 4: Simplify right side
    1,981,907.16x = 3,833,389,191,962.59
  5. Step 5: Solve for x
    x = 3,833,389,191,962.59/1,981,907.16
  6. Step 6: Final answer
    x = 1,934,192.11

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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.