Home / 1,989,933.18-2,984,958.23-550,628.40

Finding the Fourth Proportional to 1,989,933.18, 2,984,958.23 and 550,628.40

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Solution

The fourth proportional to 1,989,933.18, 2,984,958.23 and 550,628.40 is: 825,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,933.18 : 2,984,958.23 = 550,628.40 : x
  2. Step 2: Convert to fraction form
    1,989,933.18/2,984,958.23 = 550,628.40/x
  3. Step 3: Cross multiply
    1,989,933.18x = 2,984,958.23 × 550,628.40
  4. Step 4: Simplify right side
    1,989,933.18x = 1,643,602,771,498.59
  5. Step 5: Solve for x
    x = 1,643,602,771,498.59/1,989,933.18
  6. Step 6: Final answer
    x = 825,958.77

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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.