Home / 1,989,346.97-2,984,602.74-641,482.47

Finding the Fourth Proportional to 1,989,346.97, 2,984,602.74 and 641,482.47

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Solution

The fourth proportional to 1,989,346.97, 2,984,602.74 and 641,482.47 is: 962,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,346.97 : 2,984,602.74 = 641,482.47 : x
  2. Step 2: Convert to fraction form
    1,989,346.97/2,984,602.74 = 641,482.47/x
  3. Step 3: Cross multiply
    1,989,346.97x = 2,984,602.74 × 641,482.47
  4. Step 4: Simplify right side
    1,989,346.97x = 1,914,570,322,700.95
  5. Step 5: Solve for x
    x = 1,914,570,322,700.95/1,989,346.97
  6. Step 6: Final answer
    x = 962,411.46

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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.