Finding the Fourth Proportional to 4,514,648.12, 6,772,975.77 and 2,117,214.98
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Solution
The fourth proportional to 4,514,648.12, 6,772,975.77 and 2,117,214.98 is: 3,176,293.12
Step by Step Solution
- Step 1: Write the proportion equation
4,514,648.12 : 6,772,975.77 = 2,117,214.98 : x - Step 2: Convert to fraction form
4,514,648.12/6,772,975.77 = 2,117,214.98/x - Step 3: Cross multiply
4,514,648.12x = 6,772,975.77 × 2,117,214.98 - Step 4: Simplify right side
4,514,648.12x = 14,339,845,759,421.03 - Step 5: Solve for x
x = 14,339,845,759,421.03/4,514,648.12 - Step 6: Final answer
x = 3,176,293.12
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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.