Finding the Fourth Proportional to 3,168,594.86, 4,372,663.37 and 1,718,289.99
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Solution
The fourth proportional to 3,168,594.86, 4,372,663.37 and 1,718,289.99 is: 2,371,241.52
Step by Step Solution
- Step 1: Write the proportion equation
3,168,594.86 : 4,372,663.37 = 1,718,289.99 : x - Step 2: Convert to fraction form
3,168,594.86/4,372,663.37 = 1,718,289.99/x - Step 3: Cross multiply
3,168,594.86x = 4,372,663.37 × 1,718,289.99 - Step 4: Simplify right side
3,168,594.86x = 7,513,503,689,719.22 - Step 5: Solve for x
x = 7,513,503,689,719.22/3,168,594.86 - Step 6: Final answer
x = 2,371,241.52
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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.