Finding the Fourth Proportional to 6,118,514.42, 8,443,203.09 and 3,402,202.10
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Solution
The fourth proportional to 6,118,514.42, 8,443,203.09 and 3,402,202.10 is: 4,694,846.05
Step by Step Solution
- Step 1: Write the proportion equation
6,118,514.42 : 8,443,203.09 = 3,402,202.10 : x - Step 2: Convert to fraction form
6,118,514.42/8,443,203.09 = 3,402,202.10/x - Step 3: Cross multiply
6,118,514.42x = 8,443,203.09 × 3,402,202.10 - Step 4: Simplify right side
6,118,514.42x = 28,725,483,283,524.49 - Step 5: Solve for x
x = 28,725,483,283,524.49/6,118,514.42 - Step 6: Final answer
x = 4,694,846.05
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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.