Home / 2,075,996.80-2,864,896.32-1,217,065.60

Finding the Fourth Proportional to 2,075,996.80, 2,864,896.32 and 1,217,065.60

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Solution

The fourth proportional to 2,075,996.80, 2,864,896.32 and 1,217,065.60 is: 1,679,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,996.80 : 2,864,896.32 = 1,217,065.60 : x
  2. Step 2: Convert to fraction form
    2,075,996.80/2,864,896.32 = 1,217,065.60/x
  3. Step 3: Cross multiply
    2,075,996.80x = 2,864,896.32 × 1,217,065.60
  4. Step 4: Simplify right side
    2,075,996.80x = 3,486,766,758,638.59
  5. Step 5: Solve for x
    x = 3,486,766,758,638.59/2,075,996.80
  6. Step 6: Final answer
    x = 1,679,562.68

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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.