Finding the Fourth Proportional to 3,439,643.55, 5,159,957.40 and 1,043,675.70
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Solution
The fourth proportional to 3,439,643.55, 5,159,957.40 and 1,043,675.70 is: 1,565,662.86
Step by Step Solution
- Step 1: Write the proportion equation
3,439,643.55 : 5,159,957.40 = 1,043,675.70 : x - Step 2: Convert to fraction form
3,439,643.55/5,159,957.40 = 1,043,675.70/x - Step 3: Cross multiply
3,439,643.55x = 5,159,957.40 × 1,043,675.70 - Step 4: Simplify right side
3,439,643.55x = 5,385,322,151,415.18 - Step 5: Solve for x
x = 5,385,322,151,415.18/3,439,643.55 - Step 6: Final answer
x = 1,565,662.86
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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.