Finding the Fourth Proportional to 1,641,797.91, 2,265,659.10 and 916,656.75
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Solution
The fourth proportional to 1,641,797.91, 2,265,659.10 and 916,656.75 is: 1,264,974.02
Step by Step Solution
- Step 1: Write the proportion equation
1,641,797.91 : 2,265,659.10 = 916,656.75 : x - Step 2: Convert to fraction form
1,641,797.91/2,265,659.10 = 916,656.75/x - Step 3: Cross multiply
1,641,797.91x = 2,265,659.10 × 916,656.75 - Step 4: Simplify right side
1,641,797.91x = 2,076,831,707,213.93 - Step 5: Solve for x
x = 2,076,831,707,213.93/1,641,797.91 - Step 6: Final answer
x = 1,264,974.02
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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.