Finding the Fourth Proportional to 3,397,511.05, 4,688,562.09 and 1,869,618.18
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Solution
The fourth proportional to 3,397,511.05, 4,688,562.09 and 1,869,618.18 is: 2,580,071.35
Step by Step Solution
- Step 1: Write the proportion equation
3,397,511.05 : 4,688,562.09 = 1,869,618.18 : x - Step 2: Convert to fraction form
3,397,511.05/4,688,562.09 = 1,869,618.18/x - Step 3: Cross multiply
3,397,511.05x = 4,688,562.09 × 1,869,618.18 - Step 4: Simplify right side
3,397,511.05x = 8,765,820,921,522.80 - Step 5: Solve for x
x = 8,765,820,921,522.80/3,397,511.05 - Step 6: Final answer
x = 2,580,071.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.