Finding the Fourth Proportional to 3,445,782.12, 4,755,179.52 and 1,917,856.44
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Solution
The fourth proportional to 3,445,782.12, 4,755,179.52 and 1,917,856.44 is: 2,646,642.00
Step by Step Solution
- Step 1: Write the proportion equation
3,445,782.12 : 4,755,179.52 = 1,917,856.44 : x - Step 2: Convert to fraction form
3,445,782.12/4,755,179.52 = 1,917,856.44/x - Step 3: Cross multiply
3,445,782.12x = 4,755,179.52 × 1,917,856.44 - Step 4: Simplify right side
3,445,782.12x = 9,119,751,665,788.11 - Step 5: Solve for x
x = 9,119,751,665,788.11/3,445,782.12 - Step 6: Final answer
x = 2,646,642.00
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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.