Finding the Fourth Proportional to 1,479,836.32, 2,042,181.12 and 835,283.68
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Solution
The fourth proportional to 1,479,836.32, 2,042,181.12 and 835,283.68 is: 1,152,695.43
Step by Step Solution
- Step 1: Write the proportion equation
1,479,836.32 : 2,042,181.12 = 835,283.68 : x - Step 2: Convert to fraction form
1,479,836.32/2,042,181.12 = 835,283.68/x - Step 3: Cross multiply
1,479,836.32x = 2,042,181.12 × 835,283.68 - Step 4: Simplify right side
1,479,836.32x = 1,705,800,561,140.12 - Step 5: Solve for x
x = 1,705,800,561,140.12/1,479,836.32 - Step 6: Final answer
x = 1,152,695.43
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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.