Home / 2,666,857.07-3,679,866.84-1,619,733.38

Finding the Fourth Proportional to 2,666,857.07, 3,679,866.84 and 1,619,733.38

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Solution

The fourth proportional to 2,666,857.07, 3,679,866.84 and 1,619,733.38 is: 2,234,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,857.07 : 3,679,866.84 = 1,619,733.38 : x
  2. Step 2: Convert to fraction form
    2,666,857.07/3,679,866.84 = 1,619,733.38/x
  3. Step 3: Cross multiply
    2,666,857.07x = 3,679,866.84 × 1,619,733.38
  4. Step 4: Simplify right side
    2,666,857.07x = 5,960,403,153,966.04
  5. Step 5: Solve for x
    x = 5,960,403,153,966.04/2,666,857.07
  6. Step 6: Final answer
    x = 2,234,991.60

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1.5x scale

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.