Finding the Fourth Proportional to 5,779,813.60, 7,976,405.36 and 3,201,494.09
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Solution
The fourth proportional to 5,779,813.60, 7,976,405.36 and 3,201,494.09 is: 4,418,207.30
Step by Step Solution
- Step 1: Write the proportion equation
5,779,813.60 : 7,976,405.36 = 3,201,494.09 : x - Step 2: Convert to fraction form
5,779,813.60/7,976,405.36 = 3,201,494.09/x - Step 3: Cross multiply
5,779,813.60x = 7,976,405.36 × 3,201,494.09 - Step 4: Simplify right side
5,779,813.60x = 25,536,414,603,476.85 - Step 5: Solve for x
x = 25,536,414,603,476.85/5,779,813.60 - Step 6: Final answer
x = 4,418,207.30
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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.