Home / 1,803,955.77-2,489,370.49-988,163.07

Finding the Fourth Proportional to 1,803,955.77, 2,489,370.49 and 988,163.07

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Solution

The fourth proportional to 1,803,955.77, 2,489,370.49 and 988,163.07 is: 1,363,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,955.77 : 2,489,370.49 = 988,163.07 : x
  2. Step 2: Convert to fraction form
    1,803,955.77/2,489,370.49 = 988,163.07/x
  3. Step 3: Cross multiply
    1,803,955.77x = 2,489,370.49 × 988,163.07
  4. Step 4: Simplify right side
    1,803,955.77x = 2,459,903,985,765.80
  5. Step 5: Solve for x
    x = 2,459,903,985,765.80/1,803,955.77
  6. Step 6: Final answer
    x = 1,363,616.57

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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.