Home / 5,430,931.50-8,147,446.29-2,064,876.78

Finding the Fourth Proportional to 5,430,931.50, 8,147,446.29 and 2,064,876.78

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Solution

The fourth proportional to 5,430,931.50, 8,147,446.29 and 2,064,876.78 is: 3,097,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,931.50 : 8,147,446.29 = 2,064,876.78 : x
  2. Step 2: Convert to fraction form
    5,430,931.50/8,147,446.29 = 2,064,876.78/x
  3. Step 3: Cross multiply
    5,430,931.50x = 8,147,446.29 × 2,064,876.78
  4. Step 4: Simplify right side
    5,430,931.50x = 16,823,472,660,518.15
  5. Step 5: Solve for x
    x = 16,823,472,660,518.15/5,430,931.50
  6. Step 6: Final answer
    x = 3,097,714.02

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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.