Finding the Fourth Proportional to 1,888,286.08, 2,605,801.98 and 1,028,853.40
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Solution
The fourth proportional to 1,888,286.08, 2,605,801.98 and 1,028,853.40 is: 1,419,799.81
Step by Step Solution
- Step 1: Write the proportion equation
1,888,286.08 : 2,605,801.98 = 1,028,853.40 : x - Step 2: Convert to fraction form
1,888,286.08/2,605,801.98 = 1,028,853.40/x - Step 3: Cross multiply
1,888,286.08x = 2,605,801.98 × 1,028,853.40 - Step 4: Simplify right side
1,888,286.08x = 2,680,988,226,849.73 - Step 5: Solve for x
x = 2,680,988,226,849.73/1,888,286.08 - Step 6: Final answer
x = 1,419,799.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.