Finding the Fourth Proportional to 4,371,760.80, 6,557,641.20 and 2,777,437.80
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Solution
The fourth proportional to 4,371,760.80, 6,557,641.20 and 2,777,437.80 is: 4,166,156.70
Step by Step Solution
- Step 1: Write the proportion equation
4,371,760.80 : 6,557,641.20 = 2,777,437.80 : x - Step 2: Convert to fraction form
4,371,760.80/6,557,641.20 = 2,777,437.80/x - Step 3: Cross multiply
4,371,760.80x = 6,557,641.20 × 2,777,437.80 - Step 4: Simplify right side
4,371,760.80x = 18,213,440,547,717.36 - Step 5: Solve for x
x = 18,213,440,547,717.36/4,371,760.80 - Step 6: Final answer
x = 4,166,156.70
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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.