Finding the Fourth Proportional to 2,318,616.59, 3,199,742.18 and 1,286,090.74
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Solution
The fourth proportional to 2,318,616.59, 3,199,742.18 and 1,286,090.74 is: 1,774,833.67
Step by Step Solution
- Step 1: Write the proportion equation
2,318,616.59 : 3,199,742.18 = 1,286,090.74 : x - Step 2: Convert to fraction form
2,318,616.59/3,199,742.18 = 1,286,090.74/x - Step 3: Cross multiply
2,318,616.59x = 3,199,742.18 × 1,286,090.74 - Step 4: Simplify right side
2,318,616.59x = 4,115,158,796,869.22 - Step 5: Solve for x
x = 4,115,158,796,869.22/2,318,616.59 - Step 6: Final answer
x = 1,774,833.67
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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.