Finding the Fourth Proportional to 5,648,909.88, 8,473,291.38 and 1,389,115.32
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Solution
The fourth proportional to 5,648,909.88, 8,473,291.38 and 1,389,115.32 is: 2,083,654.92
Step by Step Solution
- Step 1: Write the proportion equation
5,648,909.88 : 8,473,291.38 = 1,389,115.32 : x - Step 2: Convert to fraction form
5,648,909.88/8,473,291.38 = 1,389,115.32/x - Step 3: Cross multiply
5,648,909.88x = 8,473,291.38 × 1,389,115.32 - Step 4: Simplify right side
5,648,909.88x = 11,770,378,866,781.94 - Step 5: Solve for x
x = 11,770,378,866,781.94/5,648,909.88 - Step 6: Final answer
x = 2,083,654.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.