Finding the Fourth Proportional to 3,518,398.26, 4,855,398.93 and 1,908,766.26
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Solution
The fourth proportional to 3,518,398.26, 4,855,398.93 and 1,908,766.26 is: 2,634,102.50
Step by Step Solution
- Step 1: Write the proportion equation
3,518,398.26 : 4,855,398.93 = 1,908,766.26 : x - Step 2: Convert to fraction form
3,518,398.26/4,855,398.93 = 1,908,766.26/x - Step 3: Cross multiply
3,518,398.26x = 4,855,398.93 × 1,908,766.26 - Step 4: Simplify right side
3,518,398.26x = 9,267,821,656,424.10 - Step 5: Solve for x
x = 9,267,821,656,424.10/3,518,398.26 - Step 6: Final answer
x = 2,634,102.50
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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.