Finding the Fourth Proportional to 2,828,393.61, 3,904,005.66 and 1,848,480.05
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Solution
The fourth proportional to 2,828,393.61, 3,904,005.66 and 1,848,480.05 is: 2,551,439.99
Step by Step Solution
- Step 1: Write the proportion equation
2,828,393.61 : 3,904,005.66 = 1,848,480.05 : x - Step 2: Convert to fraction form
2,828,393.61/3,904,005.66 = 1,848,480.05/x - Step 3: Cross multiply
2,828,393.61x = 3,904,005.66 × 1,848,480.05 - Step 4: Simplify right side
2,828,393.61x = 7,216,476,577,597.08 - Step 5: Solve for x
x = 7,216,476,577,597.08/2,828,393.61 - Step 6: Final answer
x = 2,551,439.99
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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.