Finding the Fourth Proportional to 2,564,121.60, 3,841,516.80 and 2,088,230.40
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Solution
The fourth proportional to 2,564,121.60, 3,841,516.80 and 2,088,230.40 is: 3,128,545.92
Step by Step Solution
- Step 1: Write the proportion equation
2,564,121.60 : 3,841,516.80 = 2,088,230.40 : x - Step 2: Convert to fraction form
2,564,121.60/3,841,516.80 = 2,088,230.40/x - Step 3: Cross multiply
2,564,121.60x = 3,841,516.80 × 2,088,230.40 - Step 4: Simplify right side
2,564,121.60x = 8,021,972,163,870.72 - Step 5: Solve for x
x = 8,021,972,163,870.72/2,564,121.60 - Step 6: Final answer
x = 3,128,545.92
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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.