Home / 1,989,348.04-2,984,604.34-641,483.54

Finding the Fourth Proportional to 1,989,348.04, 2,984,604.34 and 641,483.54

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Solution

The fourth proportional to 1,989,348.04, 2,984,604.34 and 641,483.54 is: 962,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,348.04 : 2,984,604.34 = 641,483.54 : x
  2. Step 2: Convert to fraction form
    1,989,348.04/2,984,604.34 = 641,483.54/x
  3. Step 3: Cross multiply
    1,989,348.04x = 2,984,604.34 × 641,483.54
  4. Step 4: Simplify right side
    1,989,348.04x = 1,914,574,557,522.56
  5. Step 5: Solve for x
    x = 1,914,574,557,522.56/1,989,348.04
  6. Step 6: Final answer
    x = 962,413.07

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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.