Home / 2,126,353.32-3,189,541.46-528,916.41

Finding the Fourth Proportional to 2,126,353.32, 3,189,541.46 and 528,916.41

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Solution

The fourth proportional to 2,126,353.32, 3,189,541.46 and 528,916.41 is: 793,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,353.32 : 3,189,541.46 = 528,916.41 : x
  2. Step 2: Convert to fraction form
    2,126,353.32/3,189,541.46 = 528,916.41/x
  3. Step 3: Cross multiply
    2,126,353.32x = 3,189,541.46 × 528,916.41
  4. Step 4: Simplify right side
    2,126,353.32x = 1,687,000,815,924.78
  5. Step 5: Solve for x
    x = 1,687,000,815,924.78/2,126,353.32
  6. Step 6: Final answer
    x = 793,377.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.