Finding the Fourth Proportional to 3,676,304.70, 5,514,457.05 and 1,878,590.70
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Solution
The fourth proportional to 3,676,304.70, 5,514,457.05 and 1,878,590.70 is: 2,817,886.05
Step by Step Solution
- Step 1: Write the proportion equation
3,676,304.70 : 5,514,457.05 = 1,878,590.70 : x - Step 2: Convert to fraction form
3,676,304.70/5,514,457.05 = 1,878,590.70/x - Step 3: Cross multiply
3,676,304.70x = 5,514,457.05 × 1,878,590.70 - Step 4: Simplify right side
3,676,304.70x = 10,359,407,729,679.43 - Step 5: Solve for x
x = 10,359,407,729,679.43/3,676,304.70 - Step 6: Final answer
x = 2,817,886.05
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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.