Home / 1,989,350.04-2,984,607.33-641,485.53

Finding the Fourth Proportional to 1,989,350.04, 2,984,607.33 and 641,485.53

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Solution

The fourth proportional to 1,989,350.04, 2,984,607.33 and 641,485.53 is: 962,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,350.04 : 2,984,607.33 = 641,485.53 : x
  2. Step 2: Convert to fraction form
    1,989,350.04/2,984,607.33 = 641,485.53/x
  3. Step 3: Cross multiply
    1,989,350.04x = 2,984,607.33 × 641,485.53
  4. Step 4: Simplify right side
    1,989,350.04x = 1,914,582,414,926.94
  5. Step 5: Solve for x
    x = 1,914,582,414,926.94/1,989,350.04
  6. Step 6: Final answer
    x = 962,416.05

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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.