Finding the Fourth Proportional to 4,911,125.16, 6,777,506.39 and 2,818,350.45
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Solution
The fourth proportional to 4,911,125.16, 6,777,506.39 and 2,818,350.45 is: 3,889,411.80
Step by Step Solution
- Step 1: Write the proportion equation
4,911,125.16 : 6,777,506.39 = 2,818,350.45 : x - Step 2: Convert to fraction form
4,911,125.16/6,777,506.39 = 2,818,350.45/x - Step 3: Cross multiply
4,911,125.16x = 6,777,506.39 × 2,818,350.45 - Step 4: Simplify right side
4,911,125.16x = 19,101,388,170,042.62 - Step 5: Solve for x
x = 19,101,388,170,042.62/4,911,125.16 - Step 6: Final answer
x = 3,889,411.80
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1.5x scale
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.