Finding the Fourth Proportional to 2,979,118.56, 4,468,012.80 and 1,381,474.05
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Solution
The fourth proportional to 2,979,118.56, 4,468,012.80 and 1,381,474.05 is: 2,071,902.69
Step by Step Solution
- Step 1: Write the proportion equation
2,979,118.56 : 4,468,012.80 = 1,381,474.05 : x - Step 2: Convert to fraction form
2,979,118.56/4,468,012.80 = 1,381,474.05/x - Step 3: Cross multiply
2,979,118.56x = 4,468,012.80 × 1,381,474.05 - Step 4: Simplify right side
2,979,118.56x = 6,172,443,754,618.40 - Step 5: Solve for x
x = 6,172,443,754,618.40/2,979,118.56 - Step 6: Final answer
x = 2,071,902.69
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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.