Home / 2,157,410.66-2,977,171.83-1,190,528.30

Finding the Fourth Proportional to 2,157,410.66, 2,977,171.83 and 1,190,528.30

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Solution

The fourth proportional to 2,157,410.66, 2,977,171.83 and 1,190,528.30 is: 1,642,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,410.66 : 2,977,171.83 = 1,190,528.30 : x
  2. Step 2: Convert to fraction form
    2,157,410.66/2,977,171.83 = 1,190,528.30/x
  3. Step 3: Cross multiply
    2,157,410.66x = 2,977,171.83 × 1,190,528.30
  4. Step 4: Simplify right side
    2,157,410.66x = 3,544,407,317,577.79
  5. Step 5: Solve for x
    x = 3,544,407,317,577.79/2,157,410.66
  6. Step 6: Final answer
    x = 1,642,898.77

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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.