Home / 2,148,278.35-2,964,564.99-1,181,408.64

Finding the Fourth Proportional to 2,148,278.35, 2,964,564.99 and 1,181,408.64

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Solution

The fourth proportional to 2,148,278.35, 2,964,564.99 and 1,181,408.64 is: 1,630,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,278.35 : 2,964,564.99 = 1,181,408.64 : x
  2. Step 2: Convert to fraction form
    2,148,278.35/2,964,564.99 = 1,181,408.64/x
  3. Step 3: Cross multiply
    2,148,278.35x = 2,964,564.99 × 1,181,408.64
  4. Step 4: Simplify right side
    2,148,278.35x = 3,502,362,693,027.51
  5. Step 5: Solve for x
    x = 3,502,362,693,027.51/2,148,278.35
  6. Step 6: Final answer
    x = 1,630,311.40

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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.