Finding the Fourth Proportional to 3,979,508.64, 5,970,115.92 and 1,283,988
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Solution
The fourth proportional to 3,979,508.64, 5,970,115.92 and 1,283,988 is: 1,926,257.21
Step by Step Solution
- Step 1: Write the proportion equation
3,979,508.64 : 5,970,115.92 = 1,283,988 : x - Step 2: Convert to fraction form
3,979,508.64/5,970,115.92 = 1,283,988/x - Step 3: Cross multiply
3,979,508.64x = 5,970,115.92 × 1,283,988 - Step 4: Simplify right side
3,979,508.64x = 7,665,557,199,888.96 - Step 5: Solve for x
x = 7,665,557,199,888.96/3,979,508.64 - Step 6: Final answer
x = 1,926,257.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.