Finding the Fourth Proportional to 3,516,873.99, 5,274,572.85 and 991,938.75
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Solution
The fourth proportional to 3,516,873.99, 5,274,572.85 and 991,938.75 is: 1,487,699.94
Step by Step Solution
- Step 1: Write the proportion equation
3,516,873.99 : 5,274,572.85 = 991,938.75 : x - Step 2: Convert to fraction form
3,516,873.99/5,274,572.85 = 991,938.75/x - Step 3: Cross multiply
3,516,873.99x = 5,274,572.85 × 991,938.75 - Step 4: Simplify right side
3,516,873.99x = 5,232,053,219,392.59 - Step 5: Solve for x
x = 5,232,053,219,392.59/3,516,873.99 - Step 6: Final answer
x = 1,487,699.94
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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.