Finding the Fourth Proportional to 1,368,957.36, 2,041,106.16 and 1,255,141.08
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Solution
The fourth proportional to 1,368,957.36, 2,041,106.16 and 1,255,141.08 is: 1,871,406.86
Step by Step Solution
- Step 1: Write the proportion equation
1,368,957.36 : 2,041,106.16 = 1,255,141.08 : x - Step 2: Convert to fraction form
1,368,957.36/2,041,106.16 = 1,255,141.08/x - Step 3: Cross multiply
1,368,957.36x = 2,041,106.16 × 1,255,141.08 - Step 4: Simplify right side
1,368,957.36x = 2,561,876,190,057.05 - Step 5: Solve for x
x = 2,561,876,190,057.05/1,368,957.36 - Step 6: Final answer
x = 1,871,406.86
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.