Finding the Fourth Proportional to 4,873,969.61, 6,726,529.40 and 2,698,512.80
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Solution
The fourth proportional to 4,873,969.61, 6,726,529.40 and 2,698,512.80 is: 3,724,197.55
Step by Step Solution
- Step 1: Write the proportion equation
4,873,969.61 : 6,726,529.40 = 2,698,512.80 : x - Step 2: Convert to fraction form
4,873,969.61/6,726,529.40 = 2,698,512.80/x - Step 3: Cross multiply
4,873,969.61x = 6,726,529.40 × 2,698,512.80 - Step 4: Simplify right side
4,873,969.61x = 18,151,625,685,476.32 - Step 5: Solve for x
x = 18,151,625,685,476.32/4,873,969.61 - Step 6: Final answer
x = 3,724,197.55
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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.