Finding the Fourth Proportional to 1,427,251.42, 2,141,652.30 and 828,642.88
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Solution
The fourth proportional to 1,427,251.42, 2,141,652.30 and 828,642.88 is: 1,243,414.37
Step by Step Solution
- Step 1: Write the proportion equation
1,427,251.42 : 2,141,652.30 = 828,642.88 : x - Step 2: Convert to fraction form
1,427,251.42/2,141,652.30 = 828,642.88/x - Step 3: Cross multiply
1,427,251.42x = 2,141,652.30 × 828,642.88 - Step 4: Simplify right side
1,427,251.42x = 1,774,664,929,830.62 - Step 5: Solve for x
x = 1,774,664,929,830.62/1,427,251.42 - Step 6: Final answer
x = 1,243,414.37
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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.