Finding the Fourth Proportional to 6,470,437.20, 8,929,234.44 and 3,569,827.92
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Solution
The fourth proportional to 6,470,437.20, 8,929,234.44 and 3,569,827.92 is: 4,926,379.69
Step by Step Solution
- Step 1: Write the proportion equation
6,470,437.20 : 8,929,234.44 = 3,569,827.92 : x - Step 2: Convert to fraction form
6,470,437.20/8,929,234.44 = 3,569,827.92/x - Step 3: Cross multiply
6,470,437.20x = 8,929,234.44 × 3,569,827.92 - Step 4: Simplify right side
6,470,437.20x = 31,875,830,408,137.56 - Step 5: Solve for x
x = 31,875,830,408,137.56/6,470,437.20 - Step 6: Final answer
x = 4,926,379.69
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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.