Finding the Fourth Proportional to 4,647,976.40, 6,985,961.40 and 4,032,117.20
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Solution
The fourth proportional to 4,647,976.40, 6,985,961.40 and 4,032,117.20 is: 6,060,318.02
Step by Step Solution
- Step 1: Write the proportion equation
4,647,976.40 : 6,985,961.40 = 4,032,117.20 : x - Step 2: Convert to fraction form
4,647,976.40/6,985,961.40 = 4,032,117.20/x - Step 3: Cross multiply
4,647,976.40x = 6,985,961.40 × 4,032,117.20 - Step 4: Simplify right side
4,647,976.40x = 28,168,215,119,476.08 - Step 5: Solve for x
x = 28,168,215,119,476.08/4,647,976.40 - Step 6: Final answer
x = 6,060,318.02
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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.