Home / 1,996,262.64-2,754,897.68-1,221,878.06

Finding the Fourth Proportional to 1,996,262.64, 2,754,897.68 and 1,221,878.06

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Solution

The fourth proportional to 1,996,262.64, 2,754,897.68 and 1,221,878.06 is: 1,686,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,262.64 : 2,754,897.68 = 1,221,878.06 : x
  2. Step 2: Convert to fraction form
    1,996,262.64/2,754,897.68 = 1,221,878.06/x
  3. Step 3: Cross multiply
    1,996,262.64x = 2,754,897.68 × 1,221,878.06
  4. Step 4: Simplify right side
    1,996,262.64x = 3,366,149,047,844.27
  5. Step 5: Solve for x
    x = 3,366,149,047,844.27/1,996,262.64
  6. Step 6: Final answer
    x = 1,686,225.54

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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.