Finding the Fourth Proportional to 1,917,620.06, 2,875,682.86 and 718,888.50
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Solution
The fourth proportional to 1,917,620.06, 2,875,682.86 and 718,888.50 is: 1,078,052.63
Step by Step Solution
- Step 1: Write the proportion equation
1,917,620.06 : 2,875,682.86 = 718,888.50 : x - Step 2: Convert to fraction form
1,917,620.06/2,875,682.86 = 718,888.50/x - Step 3: Cross multiply
1,917,620.06x = 2,875,682.86 × 718,888.50 - Step 4: Simplify right side
1,917,620.06x = 2,067,295,335,903.89 - Step 5: Solve for x
x = 2,067,295,335,903.89/1,917,620.06 - Step 6: Final answer
x = 1,078,052.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.