Finding the Fourth Proportional to 4,678,953.05, 6,456,724.53 and 2,613,558.45
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Solution
The fourth proportional to 4,678,953.05, 6,456,724.53 and 2,613,558.45 is: 3,606,581.81
Step by Step Solution
- Step 1: Write the proportion equation
4,678,953.05 : 6,456,724.53 = 2,613,558.45 : x - Step 2: Convert to fraction form
4,678,953.05/6,456,724.53 = 2,613,558.45/x - Step 3: Cross multiply
4,678,953.05x = 6,456,724.53 × 2,613,558.45 - Step 4: Simplify right side
4,678,953.05x = 16,875,026,954,703.78 - Step 5: Solve for x
x = 16,875,026,954,703.78/4,678,953.05 - Step 6: Final answer
x = 3,606,581.81
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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.