Home / 1,857,180.77-2,563,971.29-1,420,794.08

Finding the Fourth Proportional to 1,857,180.77, 2,563,971.29 and 1,420,794.08

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Solution

The fourth proportional to 1,857,180.77, 2,563,971.29 and 1,420,794.08 is: 1,961,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,180.77 : 2,563,971.29 = 1,420,794.08 : x
  2. Step 2: Convert to fraction form
    1,857,180.77/2,563,971.29 = 1,420,794.08/x
  3. Step 3: Cross multiply
    1,857,180.77x = 2,563,971.29 × 1,420,794.08
  4. Step 4: Simplify right side
    1,857,180.77x = 3,642,875,230,121.96
  5. Step 5: Solve for x
    x = 3,642,875,230,121.96/1,857,180.77
  6. Step 6: Final answer
    x = 1,961,508.16

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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.