Finding the Fourth Proportional to 1,634,639.32, 2,447,235.02 and 1,036,276.12
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Solution
The fourth proportional to 1,634,639.32, 2,447,235.02 and 1,036,276.12 is: 1,551,419.44
Step by Step Solution
- Step 1: Write the proportion equation
1,634,639.32 : 2,447,235.02 = 1,036,276.12 : x - Step 2: Convert to fraction form
1,634,639.32/2,447,235.02 = 1,036,276.12/x - Step 3: Cross multiply
1,634,639.32x = 2,447,235.02 × 1,036,276.12 - Step 4: Simplify right side
1,634,639.32x = 2,536,011,211,253.72 - Step 5: Solve for x
x = 2,536,011,211,253.72/1,634,639.32 - Step 6: Final answer
x = 1,551,419.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.