Finding the Fourth Proportional to 3,681,975.35, 5,520,395.35 and 1,631,520.70
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Solution
The fourth proportional to 3,681,975.35, 5,520,395.35 and 1,631,520.70 is: 2,446,143.28
Step by Step Solution
- Step 1: Write the proportion equation
3,681,975.35 : 5,520,395.35 = 1,631,520.70 : x - Step 2: Convert to fraction form
3,681,975.35/5,520,395.35 = 1,631,520.70/x - Step 3: Cross multiply
3,681,975.35x = 5,520,395.35 × 1,631,520.70 - Step 4: Simplify right side
3,681,975.35x = 9,006,639,258,106.77 - Step 5: Solve for x
x = 9,006,639,258,106.77/3,681,975.35 - Step 6: Final answer
x = 2,446,143.28
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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.