Home / 1,818,104.20-2,509,210.91-1,043,977.28

Finding the Fourth Proportional to 1,818,104.20, 2,509,210.91 and 1,043,977.28

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Solution

The fourth proportional to 1,818,104.20, 2,509,210.91 and 1,043,977.28 is: 1,440,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,104.20 : 2,509,210.91 = 1,043,977.28 : x
  2. Step 2: Convert to fraction form
    1,818,104.20/2,509,210.91 = 1,043,977.28/x
  3. Step 3: Cross multiply
    1,818,104.20x = 2,509,210.91 × 1,043,977.28
  4. Step 4: Simplify right side
    1,818,104.20x = 2,619,559,170,832.01
  5. Step 5: Solve for x
    x = 2,619,559,170,832.01/1,818,104.20
  6. Step 6: Final answer
    x = 1,440,819.05

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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.