Finding the Fourth Proportional to 6,779,980.44, 9,352,464.30 and 4,062,151.80
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Solution
The fourth proportional to 6,779,980.44, 9,352,464.30 and 4,062,151.80 is: 5,603,427.62
Step by Step Solution
- Step 1: Write the proportion equation
6,779,980.44 : 9,352,464.30 = 4,062,151.80 : x - Step 2: Convert to fraction form
6,779,980.44/9,352,464.30 = 4,062,151.80/x - Step 3: Cross multiply
6,779,980.44x = 9,352,464.30 × 4,062,151.80 - Step 4: Simplify right side
6,779,980.44x = 37,991,129,690,680.74 - Step 5: Solve for x
x = 37,991,129,690,680.74/6,779,980.44 - Step 6: Final answer
x = 5,603,427.62
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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.