Finding the Fourth Proportional to 1,855,848.30, 2,561,283.87 and 1,040,272.62
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Solution
The fourth proportional to 1,855,848.30, 2,561,283.87 and 1,040,272.62 is: 1,435,695.73
Step by Step Solution
- Step 1: Write the proportion equation
1,855,848.30 : 2,561,283.87 = 1,040,272.62 : x - Step 2: Convert to fraction form
1,855,848.30/2,561,283.87 = 1,040,272.62/x - Step 3: Cross multiply
1,855,848.30x = 2,561,283.87 × 1,040,272.62 - Step 4: Simplify right side
1,855,848.30x = 2,664,433,482,008.64 - Step 5: Solve for x
x = 2,664,433,482,008.64/1,855,848.30 - Step 6: Final answer
x = 1,435,695.73
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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.