Finding the Fourth Proportional to 1,888,393.37, 2,833,427.30 and 989,621.42
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Solution
The fourth proportional to 1,888,393.37, 2,833,427.30 and 989,621.42 is: 1,484,870.89
Step by Step Solution
- Step 1: Write the proportion equation
1,888,393.37 : 2,833,427.30 = 989,621.42 : x - Step 2: Convert to fraction form
1,888,393.37/2,833,427.30 = 989,621.42/x - Step 3: Cross multiply
1,888,393.37x = 2,833,427.30 × 989,621.42 - Step 4: Simplify right side
1,888,393.37x = 2,804,020,350,228.23 - Step 5: Solve for x
x = 2,804,020,350,228.23/1,888,393.37 - Step 6: Final answer
x = 1,484,870.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.