Finding the Fourth Proportional to 1,974,074.64, 2,724,231.84 and 1,068,656.64
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Solution
The fourth proportional to 1,974,074.64, 2,724,231.84 and 1,068,656.64 is: 1,474,750.95
Step by Step Solution
- Step 1: Write the proportion equation
1,974,074.64 : 2,724,231.84 = 1,068,656.64 : x - Step 2: Convert to fraction form
1,974,074.64/2,724,231.84 = 1,068,656.64/x - Step 3: Cross multiply
1,974,074.64x = 2,724,231.84 × 1,068,656.64 - Step 4: Simplify right side
1,974,074.64x = 2,911,268,444,715.42 - Step 5: Solve for x
x = 2,911,268,444,715.42/1,974,074.64 - Step 6: Final answer
x = 1,474,750.95
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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.