Finding the Fourth Proportional to 1,922,091.18, 2,652,541.20 and 1,062,706.92
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Solution
The fourth proportional to 1,922,091.18, 2,652,541.20 and 1,062,706.92 is: 1,466,566.16
Step by Step Solution
- Step 1: Write the proportion equation
1,922,091.18 : 2,652,541.20 = 1,062,706.92 : x - Step 2: Convert to fraction form
1,922,091.18/2,652,541.20 = 1,062,706.92/x - Step 3: Cross multiply
1,922,091.18x = 2,652,541.20 × 1,062,706.92 - Step 4: Simplify right side
1,922,091.18x = 2,818,873,888,825.10 - Step 5: Solve for x
x = 2,818,873,888,825.10/1,922,091.18 - Step 6: Final answer
x = 1,466,566.16
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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.