Home / 1,920,582.72-2,650,457.62-1,061,198.36

Finding the Fourth Proportional to 1,920,582.72, 2,650,457.62 and 1,061,198.36

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Solution

The fourth proportional to 1,920,582.72, 2,650,457.62 and 1,061,198.36 is: 1,464,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,582.72 : 2,650,457.62 = 1,061,198.36 : x
  2. Step 2: Convert to fraction form
    1,920,582.72/2,650,457.62 = 1,061,198.36/x
  3. Step 3: Cross multiply
    1,920,582.72x = 2,650,457.62 × 1,061,198.36
  4. Step 4: Simplify right side
    1,920,582.72x = 2,812,661,279,593.50
  5. Step 5: Solve for x
    x = 2,812,661,279,593.50/1,920,582.72
  6. Step 6: Final answer
    x = 1,464,483.28

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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.