Home / 2,205,477.12-3,043,419.36-1,238,582.64

Finding the Fourth Proportional to 2,205,477.12, 3,043,419.36 and 1,238,582.64

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Solution

The fourth proportional to 2,205,477.12, 3,043,419.36 and 1,238,582.64 is: 1,709,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,477.12 : 3,043,419.36 = 1,238,582.64 : x
  2. Step 2: Convert to fraction form
    2,205,477.12/3,043,419.36 = 1,238,582.64/x
  3. Step 3: Cross multiply
    2,205,477.12x = 3,043,419.36 × 1,238,582.64
  4. Step 4: Simplify right side
    2,205,477.12x = 3,769,526,385,535.91
  5. Step 5: Solve for x
    x = 3,769,526,385,535.91/2,205,477.12
  6. Step 6: Final answer
    x = 1,709,165.94

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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.