Finding the Fourth Proportional to 1,587,439.14, 2,190,705.52 and 862,286.64
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Solution
The fourth proportional to 1,587,439.14, 2,190,705.52 and 862,286.64 is: 1,189,977.02
Step by Step Solution
- Step 1: Write the proportion equation
1,587,439.14 : 2,190,705.52 = 862,286.64 : x - Step 2: Convert to fraction form
1,587,439.14/2,190,705.52 = 862,286.64/x - Step 3: Cross multiply
1,587,439.14x = 2,190,705.52 × 862,286.64 - Step 4: Simplify right side
1,587,439.14x = 1,889,016,102,070.25 - Step 5: Solve for x
x = 1,889,016,102,070.25/1,587,439.14 - Step 6: Final answer
x = 1,189,977.02
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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.