Finding the Fourth Proportional to 2,405,272.16, 3,318,017.16 and 1,487,207.84
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Solution
The fourth proportional to 2,405,272.16, 3,318,017.16 and 1,487,207.84 is: 2,051,568.72
Step by Step Solution
- Step 1: Write the proportion equation
2,405,272.16 : 3,318,017.16 = 1,487,207.84 : x - Step 2: Convert to fraction form
2,405,272.16/3,318,017.16 = 1,487,207.84/x - Step 3: Cross multiply
2,405,272.16x = 3,318,017.16 × 1,487,207.84 - Step 4: Simplify right side
2,405,272.16x = 4,934,581,133,606.54 - Step 5: Solve for x
x = 4,934,581,133,606.54/2,405,272.16 - Step 6: Final answer
x = 2,051,568.72
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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.