Finding the Fourth Proportional to 3,179,024.18, 4,387,168.73 and 1,821,159.62
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Solution
The fourth proportional to 3,179,024.18, 4,387,168.73 and 1,821,159.62 is: 2,513,266.36
Step by Step Solution
- Step 1: Write the proportion equation
3,179,024.18 : 4,387,168.73 = 1,821,159.62 : x - Step 2: Convert to fraction form
3,179,024.18/4,387,168.73 = 1,821,159.62/x - Step 3: Cross multiply
3,179,024.18x = 4,387,168.73 × 1,821,159.62 - Step 4: Simplify right side
3,179,024.18x = 7,989,734,537,202.68 - Step 5: Solve for x
x = 7,989,734,537,202.68/3,179,024.18 - Step 6: Final answer
x = 2,513,266.36
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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.