Finding the Fourth Proportional to 1,696,545.20, 2,545,223.61 and 498,440.99
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Solution
The fourth proportional to 1,696,545.20, 2,545,223.61 and 498,440.99 is: 747,780.71
Step by Step Solution
- Step 1: Write the proportion equation
1,696,545.20 : 2,545,223.61 = 498,440.99 : x - Step 2: Convert to fraction form
1,696,545.20/2,545,223.61 = 498,440.99/x - Step 3: Cross multiply
1,696,545.20x = 2,545,223.61 × 498,440.99 - Step 4: Simplify right side
1,696,545.20x = 1,268,643,784,171.99 - Step 5: Solve for x
x = 1,268,643,784,171.99/1,696,545.20 - Step 6: Final answer
x = 747,780.71
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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.