Finding the Fourth Proportional to 2,220,586.17, 3,331,196.99 and 683,711.62
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Solution
The fourth proportional to 2,220,586.17, 3,331,196.99 and 683,711.62 is: 1,025,665.26
Step by Step Solution
- Step 1: Write the proportion equation
2,220,586.17 : 3,331,196.99 = 683,711.62 : x - Step 2: Convert to fraction form
2,220,586.17/3,331,196.99 = 683,711.62/x - Step 3: Cross multiply
2,220,586.17x = 3,331,196.99 × 683,711.62 - Step 4: Simplify right side
2,220,586.17x = 2,277,578,090,572.02 - Step 5: Solve for x
x = 2,277,578,090,572.02/2,220,586.17 - Step 6: Final answer
x = 1,025,665.26
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1.5x scale
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.