Home / 1,997,168-2,756,101.68-1,091,750

Finding the Fourth Proportional to 1,997,168, 2,756,101.68 and 1,091,750

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Solution

The fourth proportional to 1,997,168, 2,756,101.68 and 1,091,750 is: 1,506,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,168 : 2,756,101.68 = 1,091,750 : x
  2. Step 2: Convert to fraction form
    1,997,168/2,756,101.68 = 1,091,750/x
  3. Step 3: Cross multiply
    1,997,168x = 2,756,101.68 × 1,091,750
  4. Step 4: Simplify right side
    1,997,168x = 3,008,974,009,140
  5. Step 5: Solve for x
    x = 3,008,974,009,140/1,997,168
  6. Step 6: Final answer
    x = 1,506,620.38

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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.