Finding the Fourth Proportional to 3,552,923.75, 4,903,036.88 and 1,921,331.03
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Solution
The fourth proportional to 3,552,923.75, 4,903,036.88 and 1,921,331.03 is: 2,651,437.95
Step by Step Solution
- Step 1: Write the proportion equation
3,552,923.75 : 4,903,036.88 = 1,921,331.03 : x - Step 2: Convert to fraction form
3,552,923.75/4,903,036.88 = 1,921,331.03/x - Step 3: Cross multiply
3,552,923.75x = 4,903,036.88 × 1,921,331.03 - Step 4: Simplify right side
3,552,923.75x = 9,420,356,864,656.55 - Step 5: Solve for x
x = 9,420,356,864,656.55/3,552,923.75 - Step 6: Final answer
x = 2,651,437.95
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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.