Finding the Fourth Proportional to 3,605,621.52, 5,409,153.99 and 1,331,159.75
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Solution
The fourth proportional to 3,605,621.52, 5,409,153.99 and 1,331,159.75 is: 1,997,006.07
Step by Step Solution
- Step 1: Write the proportion equation
3,605,621.52 : 5,409,153.99 = 1,331,159.75 : x - Step 2: Convert to fraction form
3,605,621.52/5,409,153.99 = 1,331,159.75/x - Step 3: Cross multiply
3,605,621.52x = 5,409,153.99 × 1,331,159.75 - Step 4: Simplify right side
3,605,621.52x = 7,200,448,066,278.46 - Step 5: Solve for x
x = 7,200,448,066,278.46/3,605,621.52 - Step 6: Final answer
x = 1,997,006.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.