Finding the Fourth Proportional to 6,321,545.48, 9,478,478.21 and 2,478,763.87
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Solution
The fourth proportional to 6,321,545.48, 9,478,478.21 and 2,478,763.87 is: 3,716,640.08
Step by Step Solution
- Step 1: Write the proportion equation
6,321,545.48 : 9,478,478.21 = 2,478,763.87 : x - Step 2: Convert to fraction form
6,321,545.48/9,478,478.21 = 2,478,763.87/x - Step 3: Cross multiply
6,321,545.48x = 9,478,478.21 × 2,478,763.87 - Step 4: Simplify right side
6,321,545.48x = 23,494,909,329,530.28 - Step 5: Solve for x
x = 23,494,909,329,530.28/6,321,545.48 - Step 6: Final answer
x = 3,716,640.08
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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.