Finding the Fourth Proportional to 3,713,943.12, 5,125,319.28 and 2,104,311.12
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Solution
The fourth proportional to 3,713,943.12, 5,125,319.28 and 2,104,311.12 is: 2,903,993.41
Step by Step Solution
- Step 1: Write the proportion equation
3,713,943.12 : 5,125,319.28 = 2,104,311.12 : x - Step 2: Convert to fraction form
3,713,943.12/5,125,319.28 = 2,104,311.12/x - Step 3: Cross multiply
3,713,943.12x = 5,125,319.28 × 2,104,311.12 - Step 4: Simplify right side
3,713,943.12x = 10,785,266,354,454.39 - Step 5: Solve for x
x = 10,785,266,354,454.39/3,713,943.12 - Step 6: Final answer
x = 2,903,993.41
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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.