Home / 3,520,000.64-4,857,638.48-2,161,873.64

Finding the Fourth Proportional to 3,520,000.64, 4,857,638.48 and 2,161,873.64

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Solution

The fourth proportional to 3,520,000.64, 4,857,638.48 and 2,161,873.64 is: 2,983,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,000.64 : 4,857,638.48 = 2,161,873.64 : x
  2. Step 2: Convert to fraction form
    3,520,000.64/4,857,638.48 = 2,161,873.64/x
  3. Step 3: Cross multiply
    3,520,000.64x = 4,857,638.48 × 2,161,873.64
  4. Step 4: Simplify right side
    3,520,000.64x = 10,501,600,547,464.11
  5. Step 5: Solve for x
    x = 10,501,600,547,464.11/3,520,000.64
  6. Step 6: Final answer
    x = 2,983,408.71

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1.5x scale

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.