Finding the Fourth Proportional to 3,831,557.55, 5,746,963.14 and 1,557,218.31
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Solution
The fourth proportional to 3,831,557.55, 5,746,963.14 and 1,557,218.31 is: 2,335,675.80
Step by Step Solution
- Step 1: Write the proportion equation
3,831,557.55 : 5,746,963.14 = 1,557,218.31 : x - Step 2: Convert to fraction form
3,831,557.55/5,746,963.14 = 1,557,218.31/x - Step 3: Cross multiply
3,831,557.55x = 5,746,963.14 × 1,557,218.31 - Step 4: Simplify right side
3,831,557.55x = 8,949,276,228,503.09 - Step 5: Solve for x
x = 8,949,276,228,503.09/3,831,557.55 - Step 6: Final answer
x = 2,335,675.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.