Home / 3,808,831.68-5,256,173.16-2,089,980.90

Finding the Fourth Proportional to 3,808,831.68, 5,256,173.16 and 2,089,980.90

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Solution

The fourth proportional to 3,808,831.68, 5,256,173.16 and 2,089,980.90 is: 2,884,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,831.68 : 5,256,173.16 = 2,089,980.90 : x
  2. Step 2: Convert to fraction form
    3,808,831.68/5,256,173.16 = 2,089,980.90/x
  3. Step 3: Cross multiply
    3,808,831.68x = 5,256,173.16 × 2,089,980.90
  4. Step 4: Simplify right side
    3,808,831.68x = 10,985,301,511,492.64
  5. Step 5: Solve for x
    x = 10,985,301,511,492.64/3,808,831.68
  6. Step 6: Final answer
    x = 2,884,165.65

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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.