Home / 5,431,971.70-8,148,941.70-2,729,495.80

Finding the Fourth Proportional to 5,431,971.70, 8,148,941.70 and 2,729,495.80

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Solution

The fourth proportional to 5,431,971.70, 8,148,941.70 and 2,729,495.80 is: 4,094,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,971.70 : 8,148,941.70 = 2,729,495.80 : x
  2. Step 2: Convert to fraction form
    5,431,971.70/8,148,941.70 = 2,729,495.80/x
  3. Step 3: Cross multiply
    5,431,971.70x = 8,148,941.70 × 2,729,495.80
  4. Step 4: Simplify right side
    5,431,971.70x = 22,242,502,144,594.86
  5. Step 5: Solve for x
    x = 22,242,502,144,594.86/5,431,971.70
  6. Step 6: Final answer
    x = 4,094,738.22

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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.