Finding the Fourth Proportional to 3,611,466.63, 4,983,792.15 and 1,979,844.36
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Solution
The fourth proportional to 3,611,466.63, 4,983,792.15 and 1,979,844.36 is: 2,732,167.78
Step by Step Solution
- Step 1: Write the proportion equation
3,611,466.63 : 4,983,792.15 = 1,979,844.36 : x - Step 2: Convert to fraction form
3,611,466.63/4,983,792.15 = 1,979,844.36/x - Step 3: Cross multiply
3,611,466.63x = 4,983,792.15 × 1,979,844.36 - Step 4: Simplify right side
3,611,466.63x = 9,867,132,779,589.78 - Step 5: Solve for x
x = 9,867,132,779,589.78/3,611,466.63 - Step 6: Final answer
x = 2,732,167.78
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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.