Home / 5,457,620.60-8,186,430.90-3,861,985.40

Finding the Fourth Proportional to 5,457,620.60, 8,186,430.90 and 3,861,985.40

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Solution

The fourth proportional to 5,457,620.60, 8,186,430.90 and 3,861,985.40 is: 5,792,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,620.60 : 8,186,430.90 = 3,861,985.40 : x
  2. Step 2: Convert to fraction form
    5,457,620.60/8,186,430.90 = 3,861,985.40/x
  3. Step 3: Cross multiply
    5,457,620.60x = 8,186,430.90 × 3,861,985.40
  4. Step 4: Simplify right side
    5,457,620.60x = 31,615,876,613,908.86
  5. Step 5: Solve for x
    x = 31,615,876,613,908.86/5,457,620.60
  6. Step 6: Final answer
    x = 5,792,978.10

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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.