Home / 3,649,933.60-5,474,900.40-990,541.60

Finding the Fourth Proportional to 3,649,933.60, 5,474,900.40 and 990,541.60

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Solution

The fourth proportional to 3,649,933.60, 5,474,900.40 and 990,541.60 is: 1,485,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,933.60 : 5,474,900.40 = 990,541.60 : x
  2. Step 2: Convert to fraction form
    3,649,933.60/5,474,900.40 = 990,541.60/x
  3. Step 3: Cross multiply
    3,649,933.60x = 5,474,900.40 × 990,541.60
  4. Step 4: Simplify right side
    3,649,933.60x = 5,423,116,602,056.64
  5. Step 5: Solve for x
    x = 5,423,116,602,056.64/3,649,933.60
  6. Step 6: Final answer
    x = 1,485,812.40

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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.