Home / 1,995,258.57-2,753,457.12-1,089,840.57

Finding the Fourth Proportional to 1,995,258.57, 2,753,457.12 and 1,089,840.57

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Solution

The fourth proportional to 1,995,258.57, 2,753,457.12 and 1,089,840.57 is: 1,503,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,258.57 : 2,753,457.12 = 1,089,840.57 : x
  2. Step 2: Convert to fraction form
    1,995,258.57/2,753,457.12 = 1,089,840.57/x
  3. Step 3: Cross multiply
    1,995,258.57x = 2,753,457.12 × 1,089,840.57
  4. Step 4: Simplify right side
    1,995,258.57x = 3,000,829,263,364.07
  5. Step 5: Solve for x
    x = 3,000,829,263,364.07/1,995,258.57
  6. Step 6: Final answer
    x = 1,503,980.14

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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.