Finding the Fourth Proportional to 3,291,368.97, 4,542,431.06 and 1,895,978.82
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Solution
The fourth proportional to 3,291,368.97, 4,542,431.06 and 1,895,978.82 is: 2,616,647.71
Step by Step Solution
- Step 1: Write the proportion equation
3,291,368.97 : 4,542,431.06 = 1,895,978.82 : x - Step 2: Convert to fraction form
3,291,368.97/4,542,431.06 = 1,895,978.82/x - Step 3: Cross multiply
3,291,368.97x = 4,542,431.06 × 1,895,978.82 - Step 4: Simplify right side
3,291,368.97x = 8,612,353,071,590.26 - Step 5: Solve for x
x = 8,612,353,071,590.26/3,291,368.97 - Step 6: Final answer
x = 2,616,647.71
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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.