Home / 1,697,821.70-2,342,221.05-1,009,102.22

Finding the Fourth Proportional to 1,697,821.70, 2,342,221.05 and 1,009,102.22

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Solution

The fourth proportional to 1,697,821.70, 2,342,221.05 and 1,009,102.22 is: 1,392,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,821.70 : 2,342,221.05 = 1,009,102.22 : x
  2. Step 2: Convert to fraction form
    1,697,821.70/2,342,221.05 = 1,009,102.22/x
  3. Step 3: Cross multiply
    1,697,821.70x = 2,342,221.05 × 1,009,102.22
  4. Step 4: Simplify right side
    1,697,821.70x = 2,363,540,449,574.63
  5. Step 5: Solve for x
    x = 2,363,540,449,574.63/1,697,821.70
  6. Step 6: Final answer
    x = 1,392,101.69

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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.