Finding the Fourth Proportional to 2,318,616.64, 3,199,742.25 and 1,286,090.80
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Solution
The fourth proportional to 2,318,616.64, 3,199,742.25 and 1,286,090.80 is: 1,774,833.75
Step by Step Solution
- Step 1: Write the proportion equation
2,318,616.64 : 3,199,742.25 = 1,286,090.80 : x - Step 2: Convert to fraction form
2,318,616.64/3,199,742.25 = 1,286,090.80/x - Step 3: Cross multiply
2,318,616.64x = 3,199,742.25 × 1,286,090.80 - Step 4: Simplify right side
2,318,616.64x = 4,115,159,060,891.23 - Step 5: Solve for x
x = 4,115,159,060,891.23/2,318,616.64 - Step 6: Final answer
x = 1,774,833.75
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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.