Home / 2,184,365.64-3,014,438.58-1,217,557.20

Finding the Fourth Proportional to 2,184,365.64, 3,014,438.58 and 1,217,557.20

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Solution

The fourth proportional to 2,184,365.64, 3,014,438.58 and 1,217,557.20 is: 1,680,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,365.64 : 3,014,438.58 = 1,217,557.20 : x
  2. Step 2: Convert to fraction form
    2,184,365.64/3,014,438.58 = 1,217,557.20/x
  3. Step 3: Cross multiply
    2,184,365.64x = 3,014,438.58 × 1,217,557.20
  4. Step 4: Simplify right side
    2,184,365.64x = 3,670,251,397,036.78
  5. Step 5: Solve for x
    x = 3,670,251,397,036.78/2,184,365.64
  6. Step 6: Final answer
    x = 1,680,236.74

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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.