Home / 5,157,199.72-7,117,114.98-2,865,457

Finding the Fourth Proportional to 5,157,199.72, 7,117,114.98 and 2,865,457

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Solution

The fourth proportional to 5,157,199.72, 7,117,114.98 and 2,865,457 is: 3,954,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,199.72 : 7,117,114.98 = 2,865,457 : x
  2. Step 2: Convert to fraction form
    5,157,199.72/7,117,114.98 = 2,865,457/x
  3. Step 3: Cross multiply
    5,157,199.72x = 7,117,114.98 × 2,865,457
  4. Step 4: Simplify right side
    5,157,199.72x = 20,393,786,939,245.86
  5. Step 5: Solve for x
    x = 20,393,786,939,245.86/5,157,199.72
  6. Step 6: Final answer
    x = 3,954,430.32

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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.