Home / 1,678,243.47-2,315,368.47-1,097,797.92

Finding the Fourth Proportional to 1,678,243.47, 2,315,368.47 and 1,097,797.92

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Solution

The fourth proportional to 1,678,243.47, 2,315,368.47 and 1,097,797.92 is: 1,514,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,243.47 : 2,315,368.47 = 1,097,797.92 : x
  2. Step 2: Convert to fraction form
    1,678,243.47/2,315,368.47 = 1,097,797.92/x
  3. Step 3: Cross multiply
    1,678,243.47x = 2,315,368.47 × 1,097,797.92
  4. Step 4: Simplify right side
    1,678,243.47x = 2,541,806,690,399.58
  5. Step 5: Solve for x
    x = 2,541,806,690,399.58/1,678,243.47
  6. Step 6: Final answer
    x = 1,514,563.73

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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.