Home / 1,899,623.02-2,621,480.33-1,028,457.54

Finding the Fourth Proportional to 1,899,623.02, 2,621,480.33 and 1,028,457.54

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Solution

The fourth proportional to 1,899,623.02, 2,621,480.33 and 1,028,457.54 is: 1,419,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,623.02 : 2,621,480.33 = 1,028,457.54 : x
  2. Step 2: Convert to fraction form
    1,899,623.02/2,621,480.33 = 1,028,457.54/x
  3. Step 3: Cross multiply
    1,899,623.02x = 2,621,480.33 × 1,028,457.54
  4. Step 4: Simplify right side
    1,899,623.02x = 2,696,081,211,350.19
  5. Step 5: Solve for x
    x = 2,696,081,211,350.19/1,899,623.02
  6. Step 6: Final answer
    x = 1,419,271.71

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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.