Finding the Fourth Proportional to 4,306,379.70, 6,459,569.55 and 1,747,589.70
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Solution
The fourth proportional to 4,306,379.70, 6,459,569.55 and 1,747,589.70 is: 2,621,384.55
Step by Step Solution
- Step 1: Write the proportion equation
4,306,379.70 : 6,459,569.55 = 1,747,589.70 : x - Step 2: Convert to fraction form
4,306,379.70/6,459,569.55 = 1,747,589.70/x - Step 3: Cross multiply
4,306,379.70x = 6,459,569.55 × 1,747,589.70 - Step 4: Simplify right side
4,306,379.70x = 11,288,677,212,013.63 - Step 5: Solve for x
x = 11,288,677,212,013.63/4,306,379.70 - Step 6: Final answer
x = 2,621,384.55
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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.