Finding the Fourth Proportional to 3,553,393.62, 4,903,683.18 and 1,921,800.96
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Solution
The fourth proportional to 3,553,393.62, 4,903,683.18 and 1,921,800.96 is: 2,652,085.32
Step by Step Solution
- Step 1: Write the proportion equation
3,553,393.62 : 4,903,683.18 = 1,921,800.96 : x - Step 2: Convert to fraction form
3,553,393.62/4,903,683.18 = 1,921,800.96/x - Step 3: Cross multiply
3,553,393.62x = 4,903,683.18 × 1,921,800.96 - Step 4: Simplify right side
3,553,393.62x = 9,423,903,042,859.85 - Step 5: Solve for x
x = 9,423,903,042,859.85/3,553,393.62 - Step 6: Final answer
x = 2,652,085.32
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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.