Finding the Fourth Proportional to 2,102,973.36, 2,902,103.16 and 1,185,236.06
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Solution
The fourth proportional to 2,102,973.36, 2,902,103.16 and 1,185,236.06 is: 1,635,625.72
Step by Step Solution
- Step 1: Write the proportion equation
2,102,973.36 : 2,902,103.16 = 1,185,236.06 : x - Step 2: Convert to fraction form
2,102,973.36/2,902,103.16 = 1,185,236.06/x - Step 3: Cross multiply
2,102,973.36x = 2,902,103.16 × 1,185,236.06 - Step 4: Simplify right side
2,102,973.36x = 3,439,677,315,071.95 - Step 5: Solve for x
x = 3,439,677,315,071.95/2,102,973.36 - Step 6: Final answer
x = 1,635,625.72
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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.