Home / 1,462,811.40-2,189,940.30-1,042,907.40

Finding the Fourth Proportional to 1,462,811.40, 2,189,940.30 and 1,042,907.40

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Solution

The fourth proportional to 1,462,811.40, 2,189,940.30 and 1,042,907.40 is: 1,561,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,811.40 : 2,189,940.30 = 1,042,907.40 : x
  2. Step 2: Convert to fraction form
    1,462,811.40/2,189,940.30 = 1,042,907.40/x
  3. Step 3: Cross multiply
    1,462,811.40x = 2,189,940.30 × 1,042,907.40
  4. Step 4: Simplify right side
    1,462,811.40x = 2,283,904,944,428.22
  5. Step 5: Solve for x
    x = 2,283,904,944,428.22/1,462,811.40
  6. Step 6: Final answer
    x = 1,561,311.97

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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.