Finding the Fourth Proportional to 4,211,204.92, 6,319,295.70 and 1,553,679.16
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Solution
The fourth proportional to 4,211,204.92, 6,319,295.70 and 1,553,679.16 is: 2,331,436.78
Step by Step Solution
- Step 1: Write the proportion equation
4,211,204.92 : 6,319,295.70 = 1,553,679.16 : x - Step 2: Convert to fraction form
4,211,204.92/6,319,295.70 = 1,553,679.16/x - Step 3: Cross multiply
4,211,204.92x = 6,319,295.70 × 1,553,679.16 - Step 4: Simplify right side
4,211,204.92x = 9,818,158,034,967.61 - Step 5: Solve for x
x = 9,818,158,034,967.61/4,211,204.92 - Step 6: Final answer
x = 2,331,436.78
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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.