Home / 3,922,905.60-5,884,358.40-1,398,643.20

Finding the Fourth Proportional to 3,922,905.60, 5,884,358.40 and 1,398,643.20

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Solution

The fourth proportional to 3,922,905.60, 5,884,358.40 and 1,398,643.20 is: 2,097,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,905.60 : 5,884,358.40 = 1,398,643.20 : x
  2. Step 2: Convert to fraction form
    3,922,905.60/5,884,358.40 = 1,398,643.20/x
  3. Step 3: Cross multiply
    3,922,905.60x = 5,884,358.40 × 1,398,643.20
  4. Step 4: Simplify right side
    3,922,905.60x = 8,230,117,862,522.88
  5. Step 5: Solve for x
    x = 8,230,117,862,522.88/3,922,905.60
  6. Step 6: Final answer
    x = 2,097,964.80

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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.