Finding the Fourth Proportional to 1,948,115.62, 2,688,457.30 and 1,088,678.34
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Solution
The fourth proportional to 1,948,115.62, 2,688,457.30 and 1,088,678.34 is: 1,502,408.38
Step by Step Solution
- Step 1: Write the proportion equation
1,948,115.62 : 2,688,457.30 = 1,088,678.34 : x - Step 2: Convert to fraction form
1,948,115.62/2,688,457.30 = 1,088,678.34/x - Step 3: Cross multiply
1,948,115.62x = 2,688,457.30 × 1,088,678.34 - Step 4: Simplify right side
1,948,115.62x = 2,926,865,230,524.88 - Step 5: Solve for x
x = 2,926,865,230,524.88/1,948,115.62 - Step 6: Final answer
x = 1,502,408.38
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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.