Finding the Fourth Proportional to 3,540,564.08, 5,290,690.66 and 2,658,452.90
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Solution
The fourth proportional to 3,540,564.08, 5,290,690.66 and 2,658,452.90 is: 3,972,545.51
Step by Step Solution
- Step 1: Write the proportion equation
3,540,564.08 : 5,290,690.66 = 2,658,452.90 : x - Step 2: Convert to fraction form
3,540,564.08/5,290,690.66 = 2,658,452.90/x - Step 3: Cross multiply
3,540,564.08x = 5,290,690.66 × 2,658,452.90 - Step 4: Simplify right side
3,540,564.08x = 14,065,051,928,079.91 - Step 5: Solve for x
x = 14,065,051,928,079.91/3,540,564.08 - Step 6: Final answer
x = 3,972,545.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.