Home / 1,536,614.16-2,120,647.68-857,652.72

Finding the Fourth Proportional to 1,536,614.16, 2,120,647.68 and 857,652.72

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Solution

The fourth proportional to 1,536,614.16, 2,120,647.68 and 857,652.72 is: 1,183,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,614.16 : 2,120,647.68 = 857,652.72 : x
  2. Step 2: Convert to fraction form
    1,536,614.16/2,120,647.68 = 857,652.72/x
  3. Step 3: Cross multiply
    1,536,614.16x = 2,120,647.68 × 857,652.72
  4. Step 4: Simplify right side
    1,536,614.16x = 1,818,779,250,913.69
  5. Step 5: Solve for x
    x = 1,818,779,250,913.69/1,536,614.16
  6. Step 6: Final answer
    x = 1,183,627.81

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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.