Finding the Fourth Proportional to 3,670,062.13, 5,062,643.08 and 3,410,268.40
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Solution
The fourth proportional to 3,670,062.13, 5,062,643.08 and 3,410,268.40 is: 4,704,272.32
Step by Step Solution
- Step 1: Write the proportion equation
3,670,062.13 : 5,062,643.08 = 3,410,268.40 : x - Step 2: Convert to fraction form
3,670,062.13/5,062,643.08 = 3,410,268.40/x - Step 3: Cross multiply
3,670,062.13x = 5,062,643.08 × 3,410,268.40 - Step 4: Simplify right side
3,670,062.13x = 17,264,971,714,005.30 - Step 5: Solve for x
x = 17,264,971,714,005.30/3,670,062.13 - Step 6: Final answer
x = 4,704,272.32
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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.