Finding the Fourth Proportional to 2,201,534.12, 3,038,449.16 and 1,342,592.60
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Solution
The fourth proportional to 2,201,534.12, 3,038,449.16 and 1,342,592.60 is: 1,852,980.31
Step by Step Solution
- Step 1: Write the proportion equation
2,201,534.12 : 3,038,449.16 = 1,342,592.60 : x - Step 2: Convert to fraction form
2,201,534.12/3,038,449.16 = 1,342,592.60/x - Step 3: Cross multiply
2,201,534.12x = 3,038,449.16 × 1,342,592.60 - Step 4: Simplify right side
2,201,534.12x = 4,079,399,368,644.82 - Step 5: Solve for x
x = 4,079,399,368,644.82/2,201,534.12 - Step 6: Final answer
x = 1,852,980.31
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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.