Finding the Fourth Proportional to 4,911,124.66, 6,777,505.69 and 2,818,349.95
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Solution
The fourth proportional to 4,911,124.66, 6,777,505.69 and 2,818,349.95 is: 3,889,411.11
Step by Step Solution
- Step 1: Write the proportion equation
4,911,124.66 : 6,777,505.69 = 2,818,349.95 : x - Step 2: Convert to fraction form
4,911,124.66/6,777,505.69 = 2,818,349.95/x - Step 3: Cross multiply
4,911,124.66x = 6,777,505.69 × 2,818,349.95 - Step 4: Simplify right side
4,911,124.66x = 19,101,382,822,536.22 - Step 5: Solve for x
x = 19,101,382,822,536.22/4,911,124.66 - Step 6: Final answer
x = 3,889,411.11
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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.