Home / 2,120,062.32-2,925,892.44-1,582,585.20

Finding the Fourth Proportional to 2,120,062.32, 2,925,892.44 and 1,582,585.20

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Solution

The fourth proportional to 2,120,062.32, 2,925,892.44 and 1,582,585.20 is: 2,184,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,062.32 : 2,925,892.44 = 1,582,585.20 : x
  2. Step 2: Convert to fraction form
    2,120,062.32/2,925,892.44 = 1,582,585.20/x
  3. Step 3: Cross multiply
    2,120,062.32x = 2,925,892.44 × 1,582,585.20
  4. Step 4: Simplify right side
    2,120,062.32x = 4,630,474,072,335.89
  5. Step 5: Solve for x
    x = 4,630,474,072,335.89/2,120,062.32
  6. Step 6: Final answer
    x = 2,184,121.68

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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.