Finding the Fourth Proportional to 1,918,187.01, 2,646,702.93 and 1,102,233.05
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Solution
The fourth proportional to 1,918,187.01, 2,646,702.93 and 1,102,233.05 is: 1,520,854.55
Step by Step Solution
- Step 1: Write the proportion equation
1,918,187.01 : 2,646,702.93 = 1,102,233.05 : x - Step 2: Convert to fraction form
1,918,187.01/2,646,702.93 = 1,102,233.05/x - Step 3: Cross multiply
1,918,187.01x = 2,646,702.93 × 1,102,233.05 - Step 4: Simplify right side
1,918,187.01x = 2,917,283,449,016.33 - Step 5: Solve for x
x = 2,917,283,449,016.33/1,918,187.01 - Step 6: Final answer
x = 1,520,854.55
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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.