Finding the Fourth Proportional to 2,587,881.12, 3,882,541.78 and 1,129,055.19
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Solution
The fourth proportional to 2,587,881.12, 3,882,541.78 and 1,129,055.19 is: 1,693,896.95
Step by Step Solution
- Step 1: Write the proportion equation
2,587,881.12 : 3,882,541.78 = 1,129,055.19 : x - Step 2: Convert to fraction form
2,587,881.12/3,882,541.78 = 1,129,055.19/x - Step 3: Cross multiply
2,587,881.12x = 3,882,541.78 × 1,129,055.19 - Step 4: Simplify right side
2,587,881.12x = 4,383,603,933,952.63 - Step 5: Solve for x
x = 4,383,603,933,952.63/2,587,881.12 - Step 6: Final answer
x = 1,693,896.95
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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.