Finding the Fourth Proportional to 3,877,734.42, 5,816,603.12 and 3,872,130.91
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Solution
The fourth proportional to 3,877,734.42, 5,816,603.12 and 3,872,130.91 is: 5,808,197.84
Step by Step Solution
- Step 1: Write the proportion equation
3,877,734.42 : 5,816,603.12 = 3,872,130.91 : x - Step 2: Convert to fraction form
3,877,734.42/5,816,603.12 = 3,872,130.91/x - Step 3: Cross multiply
3,877,734.42x = 5,816,603.12 × 3,872,130.91 - Step 4: Simplify right side
3,877,734.42x = 22,522,648,698,252.28 - Step 5: Solve for x
x = 22,522,648,698,252.28/3,877,734.42 - Step 6: Final answer
x = 5,808,197.84
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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.