Home / 1,989,348.54-2,984,605.10-641,484.05

Finding the Fourth Proportional to 1,989,348.54, 2,984,605.10 and 641,484.05

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Solution

The fourth proportional to 1,989,348.54, 2,984,605.10 and 641,484.05 is: 962,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,348.54 : 2,984,605.10 = 641,484.05 : x
  2. Step 2: Convert to fraction form
    1,989,348.54/2,984,605.10 = 641,484.05/x
  3. Step 3: Cross multiply
    1,989,348.54x = 2,984,605.10 × 641,484.05
  4. Step 4: Simplify right side
    1,989,348.54x = 1,914,576,549,068.21
  5. Step 5: Solve for x
    x = 1,914,576,549,068.21/1,989,348.54
  6. Step 6: Final answer
    x = 962,413.83

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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.