Finding the Fourth Proportional to 1,627,347.15, 2,245,872.15 and 902,422.26
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Solution
The fourth proportional to 1,627,347.15, 2,245,872.15 and 902,422.26 is: 1,245,416.52
Step by Step Solution
- Step 1: Write the proportion equation
1,627,347.15 : 2,245,872.15 = 902,422.26 : x - Step 2: Convert to fraction form
1,627,347.15/2,245,872.15 = 902,422.26/x - Step 3: Cross multiply
1,627,347.15x = 2,245,872.15 × 902,422.26 - Step 4: Simplify right side
1,627,347.15x = 2,026,725,021,274.06 - Step 5: Solve for x
x = 2,026,725,021,274.06/1,627,347.15 - Step 6: Final answer
x = 1,245,416.52
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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.