Finding the Fourth Proportional to 1,587,636.88, 2,190,954.02 and 862,490.04
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Solution
The fourth proportional to 1,587,636.88, 2,190,954.02 and 862,490.04 is: 1,190,244.47
Step by Step Solution
- Step 1: Write the proportion equation
1,587,636.88 : 2,190,954.02 = 862,490.04 : x - Step 2: Convert to fraction form
1,587,636.88/2,190,954.02 = 862,490.04/x - Step 3: Cross multiply
1,587,636.88x = 2,190,954.02 × 862,490.04 - Step 4: Simplify right side
1,587,636.88x = 1,889,676,020,347.96 - Step 5: Solve for x
x = 1,889,676,020,347.96/1,587,636.88 - Step 6: Final answer
x = 1,190,244.47
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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.