Home / 3,485,258.40-5,228,041.20-1,968,919.20

Finding the Fourth Proportional to 3,485,258.40, 5,228,041.20 and 1,968,919.20

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Solution

The fourth proportional to 3,485,258.40, 5,228,041.20 and 1,968,919.20 is: 2,953,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,258.40 : 5,228,041.20 = 1,968,919.20 : x
  2. Step 2: Convert to fraction form
    3,485,258.40/5,228,041.20 = 1,968,919.20/x
  3. Step 3: Cross multiply
    3,485,258.40x = 5,228,041.20 × 1,968,919.20
  4. Step 4: Simplify right side
    3,485,258.40x = 10,293,590,697,071.04
  5. Step 5: Solve for x
    x = 10,293,590,697,071.04/3,485,258.40
  6. Step 6: Final answer
    x = 2,953,465.57

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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.