Home / 2,195,883.81-3,294,140.54-679,699.89

Finding the Fourth Proportional to 2,195,883.81, 3,294,140.54 and 679,699.89

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Solution

The fourth proportional to 2,195,883.81, 3,294,140.54 and 679,699.89 is: 1,019,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,883.81 : 3,294,140.54 = 679,699.89 : x
  2. Step 2: Convert to fraction form
    2,195,883.81/3,294,140.54 = 679,699.89/x
  3. Step 3: Cross multiply
    2,195,883.81x = 3,294,140.54 × 679,699.89
  4. Step 4: Simplify right side
    2,195,883.81x = 2,239,026,959,284.04
  5. Step 5: Solve for x
    x = 2,239,026,959,284.04/2,195,883.81
  6. Step 6: Final answer
    x = 1,019,647.28

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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.