Finding the Fourth Proportional to 3,416,262.90, 4,714,443.99 and 1,888,369.62
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Solution
The fourth proportional to 3,416,262.90, 4,714,443.99 and 1,888,369.62 is: 2,605,950.73
Step by Step Solution
- Step 1: Write the proportion equation
3,416,262.90 : 4,714,443.99 = 1,888,369.62 : x - Step 2: Convert to fraction form
3,416,262.90/4,714,443.99 = 1,888,369.62/x - Step 3: Cross multiply
3,416,262.90x = 4,714,443.99 × 1,888,369.62 - Step 4: Simplify right side
3,416,262.90x = 8,902,612,805,907.58 - Step 5: Solve for x
x = 8,902,612,805,907.58/3,416,262.90 - Step 6: Final answer
x = 2,605,950.73
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1.5x scale
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.