Finding the Fourth Proportional to 2,015,684.36, 2,781,648.28 and 1,097,910.68
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Solution
The fourth proportional to 2,015,684.36, 2,781,648.28 and 1,097,910.68 is: 1,515,118.84
Step by Step Solution
- Step 1: Write the proportion equation
2,015,684.36 : 2,781,648.28 = 1,097,910.68 : x - Step 2: Convert to fraction form
2,015,684.36/2,781,648.28 = 1,097,910.68/x - Step 3: Cross multiply
2,015,684.36x = 2,781,648.28 × 1,097,910.68 - Step 4: Simplify right side
2,015,684.36x = 3,054,001,354,615.63 - Step 5: Solve for x
x = 3,054,001,354,615.63/2,015,684.36 - Step 6: Final answer
x = 1,515,118.84
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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.