Finding the Fourth Proportional to 3,187,148.79, 4,398,153.62 and 1,736,814.63
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Solution
The fourth proportional to 3,187,148.79, 4,398,153.62 and 1,736,814.63 is: 2,396,743.31
Step by Step Solution
- Step 1: Write the proportion equation
3,187,148.79 : 4,398,153.62 = 1,736,814.63 : x - Step 2: Convert to fraction form
3,187,148.79/4,398,153.62 = 1,736,814.63/x - Step 3: Cross multiply
3,187,148.79x = 4,398,153.62 × 1,736,814.63 - Step 4: Simplify right side
3,187,148.79x = 7,638,777,543,519.39 - Step 5: Solve for x
x = 7,638,777,543,519.39/3,187,148.79 - Step 6: Final answer
x = 2,396,743.31
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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.