Finding the Fourth Proportional to 4,896,898.80, 7,345,348.20 and 3,889,129.20
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Solution
The fourth proportional to 4,896,898.80, 7,345,348.20 and 3,889,129.20 is: 5,833,693.80
Step by Step Solution
- Step 1: Write the proportion equation
4,896,898.80 : 7,345,348.20 = 3,889,129.20 : x - Step 2: Convert to fraction form
4,896,898.80/7,345,348.20 = 3,889,129.20/x - Step 3: Cross multiply
4,896,898.80x = 7,345,348.20 × 3,889,129.20 - Step 4: Simplify right side
4,896,898.80x = 28,567,008,168,787.44 - Step 5: Solve for x
x = 28,567,008,168,787.44/4,896,898.80 - Step 6: Final answer
x = 5,833,693.80
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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.