Finding the Fourth Proportional to 5,226,963.08, 7,213,294.11 and 2,904,005.49
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Solution
The fourth proportional to 5,226,963.08, 7,213,294.11 and 2,904,005.49 is: 4,007,574.83
Step by Step Solution
- Step 1: Write the proportion equation
5,226,963.08 : 7,213,294.11 = 2,904,005.49 : x - Step 2: Convert to fraction form
5,226,963.08/7,213,294.11 = 2,904,005.49/x - Step 3: Cross multiply
5,226,963.08x = 7,213,294.11 × 2,904,005.49 - Step 4: Simplify right side
5,226,963.08x = 20,947,445,680,264.83 - Step 5: Solve for x
x = 20,947,445,680,264.83/5,226,963.08 - Step 6: Final answer
x = 4,007,574.83
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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.