Home / 1,977,207.53-2,728,417.56-1,105,891.24

Finding the Fourth Proportional to 1,977,207.53, 2,728,417.56 and 1,105,891.24

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Solution

The fourth proportional to 1,977,207.53, 2,728,417.56 and 1,105,891.24 is: 1,526,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,207.53 : 2,728,417.56 = 1,105,891.24 : x
  2. Step 2: Convert to fraction form
    1,977,207.53/2,728,417.56 = 1,105,891.24/x
  3. Step 3: Cross multiply
    1,977,207.53x = 2,728,417.56 × 1,105,891.24
  4. Step 4: Simplify right side
    1,977,207.53x = 3,017,333,071,845.13
  5. Step 5: Solve for x
    x = 3,017,333,071,845.13/1,977,207.53
  6. Step 6: Final answer
    x = 1,526,057.85

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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.