Home / 1,928,763.36-2,661,689.04-1,069,301.52

Finding the Fourth Proportional to 1,928,763.36, 2,661,689.04 and 1,069,301.52

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Solution

The fourth proportional to 1,928,763.36, 2,661,689.04 and 1,069,301.52 is: 1,475,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,763.36 : 2,661,689.04 = 1,069,301.52 : x
  2. Step 2: Convert to fraction form
    1,928,763.36/2,661,689.04 = 1,069,301.52/x
  3. Step 3: Cross multiply
    1,928,763.36x = 2,661,689.04 × 1,069,301.52
  4. Step 4: Simplify right side
    1,928,763.36x = 2,846,148,136,239.34
  5. Step 5: Solve for x
    x = 2,846,148,136,239.34/1,928,763.36
  6. Step 6: Final answer
    x = 1,475,633.66

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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.