Home / 1,774,197.70-2,447,620.32-1,085,900.20

Finding the Fourth Proportional to 1,774,197.70, 2,447,620.32 and 1,085,900.20

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Solution

The fourth proportional to 1,774,197.70, 2,447,620.32 and 1,085,900.20 is: 1,498,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,197.70 : 2,447,620.32 = 1,085,900.20 : x
  2. Step 2: Convert to fraction form
    1,774,197.70/2,447,620.32 = 1,085,900.20/x
  3. Step 3: Cross multiply
    1,774,197.70x = 2,447,620.32 × 1,085,900.20
  4. Step 4: Simplify right side
    1,774,197.70x = 2,657,871,395,012.06
  5. Step 5: Solve for x
    x = 2,657,871,395,012.06/1,774,197.70
  6. Step 6: Final answer
    x = 1,498,069.46

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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.