Home / 1,648,548.51-2,275,776.12-1,105,039.36

Finding the Fourth Proportional to 1,648,548.51, 2,275,776.12 and 1,105,039.36

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Solution

The fourth proportional to 1,648,548.51, 2,275,776.12 and 1,105,039.36 is: 1,525,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,548.51 : 2,275,776.12 = 1,105,039.36 : x
  2. Step 2: Convert to fraction form
    1,648,548.51/2,275,776.12 = 1,105,039.36/x
  3. Step 3: Cross multiply
    1,648,548.51x = 2,275,776.12 × 1,105,039.36
  4. Step 4: Simplify right side
    1,648,548.51x = 2,514,822,187,148.08
  5. Step 5: Solve for x
    x = 2,514,822,187,148.08/1,648,548.51
  6. Step 6: Final answer
    x = 1,525,476.61

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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.