Finding the Fourth Proportional to 1,873,198.56, 2,806,959.60 and 1,239,843.36
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Solution
The fourth proportional to 1,873,198.56, 2,806,959.60 and 1,239,843.36 is: 1,857,886.45
Step by Step Solution
- Step 1: Write the proportion equation
1,873,198.56 : 2,806,959.60 = 1,239,843.36 : x - Step 2: Convert to fraction form
1,873,198.56/2,806,959.60 = 1,239,843.36/x - Step 3: Cross multiply
1,873,198.56x = 2,806,959.60 × 1,239,843.36 - Step 4: Simplify right side
1,873,198.56x = 3,480,190,221,848.26 - Step 5: Solve for x
x = 3,480,190,221,848.26/1,873,198.56 - Step 6: Final answer
x = 1,857,886.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.