Home / 1,533,601.41-2,116,849.32-989,738.25

Finding the Fourth Proportional to 1,533,601.41, 2,116,849.32 and 989,738.25

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Solution

The fourth proportional to 1,533,601.41, 2,116,849.32 and 989,738.25 is: 1,366,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,601.41 : 2,116,849.32 = 989,738.25 : x
  2. Step 2: Convert to fraction form
    1,533,601.41/2,116,849.32 = 989,738.25/x
  3. Step 3: Cross multiply
    1,533,601.41x = 2,116,849.32 × 989,738.25
  4. Step 4: Simplify right side
    1,533,601.41x = 2,095,126,741,490.49
  5. Step 5: Solve for x
    x = 2,095,126,741,490.49/1,533,601.41
  6. Step 6: Final answer
    x = 1,366,148.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.