Home / 3,258,419.40-4,887,604.80-983,939.40

Finding the Fourth Proportional to 3,258,419.40, 4,887,604.80 and 983,939.40

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Solution

The fourth proportional to 3,258,419.40, 4,887,604.80 and 983,939.40 is: 1,475,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,419.40 : 4,887,604.80 = 983,939.40 : x
  2. Step 2: Convert to fraction form
    3,258,419.40/4,887,604.80 = 983,939.40/x
  3. Step 3: Cross multiply
    3,258,419.40x = 4,887,604.80 × 983,939.40
  4. Step 4: Simplify right side
    3,258,419.40x = 4,809,106,934,349.12
  5. Step 5: Solve for x
    x = 4,809,106,934,349.12/3,258,419.40
  6. Step 6: Final answer
    x = 1,475,901.76

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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.