Finding the Fourth Proportional to 2,590,884.83, 3,575,427.28 and 1,445,038.99
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Solution
The fourth proportional to 2,590,884.83, 3,575,427.28 and 1,445,038.99 is: 1,994,157.27
Step by Step Solution
- Step 1: Write the proportion equation
2,590,884.83 : 3,575,427.28 = 1,445,038.99 : x - Step 2: Convert to fraction form
2,590,884.83/3,575,427.28 = 1,445,038.99/x - Step 3: Cross multiply
2,590,884.83x = 3,575,427.28 × 1,445,038.99 - Step 4: Simplify right side
2,590,884.83x = 5,166,631,812,958.48 - Step 5: Solve for x
x = 5,166,631,812,958.48/2,590,884.83 - Step 6: Final answer
x = 1,994,157.27
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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.