Finding the Fourth Proportional to 2,919,183.12, 4,028,434.56 and 1,630,045.44
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Solution
The fourth proportional to 2,919,183.12, 4,028,434.56 and 1,630,045.44 is: 2,249,441.41
Step by Step Solution
- Step 1: Write the proportion equation
2,919,183.12 : 4,028,434.56 = 1,630,045.44 : x - Step 2: Convert to fraction form
2,919,183.12/4,028,434.56 = 1,630,045.44/x - Step 3: Cross multiply
2,919,183.12x = 4,028,434.56 × 1,630,045.44 - Step 4: Simplify right side
2,919,183.12x = 6,566,531,384,866.41 - Step 5: Solve for x
x = 6,566,531,384,866.41/2,919,183.12 - Step 6: Final answer
x = 2,249,441.41
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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.