Finding the Fourth Proportional to 2,867,185.08, 3,956,715.81 and 1,560,442.05
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Solution
The fourth proportional to 2,867,185.08, 3,956,715.81 and 1,560,442.05 is: 2,153,410.25
Step by Step Solution
- Step 1: Write the proportion equation
2,867,185.08 : 3,956,715.81 = 1,560,442.05 : x - Step 2: Convert to fraction form
2,867,185.08/3,956,715.81 = 1,560,442.05/x - Step 3: Cross multiply
2,867,185.08x = 3,956,715.81 × 1,560,442.05 - Step 4: Simplify right side
2,867,185.08x = 6,174,225,729,823.81 - Step 5: Solve for x
x = 6,174,225,729,823.81/2,867,185.08 - Step 6: Final answer
x = 2,153,410.25
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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.