Finding the Fourth Proportional to 1,587,640.86, 2,190,959.58 and 862,494.06
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Solution
The fourth proportional to 1,587,640.86, 2,190,959.58 and 862,494.06 is: 1,190,250.06
Step by Step Solution
- Step 1: Write the proportion equation
1,587,640.86 : 2,190,959.58 = 862,494.06 : x - Step 2: Convert to fraction form
1,587,640.86/2,190,959.58 = 862,494.06/x - Step 3: Cross multiply
1,587,640.86x = 2,190,959.58 × 862,494.06 - Step 4: Simplify right side
1,587,640.86x = 1,889,689,623,450.10 - Step 5: Solve for x
x = 1,889,689,623,450.10/1,587,640.86 - Step 6: Final answer
x = 1,190,250.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.