Finding the Fourth Proportional to 1,339,252.11, 2,006,778.24 and 1,138,747.95
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Solution
The fourth proportional to 1,339,252.11, 2,006,778.24 and 1,138,747.95 is: 1,706,336.39
Step by Step Solution
- Step 1: Write the proportion equation
1,339,252.11 : 2,006,778.24 = 1,138,747.95 : x - Step 2: Convert to fraction form
1,339,252.11/2,006,778.24 = 1,138,747.95/x - Step 3: Cross multiply
1,339,252.11x = 2,006,778.24 × 1,138,747.95 - Step 4: Simplify right side
1,339,252.11x = 2,285,214,606,904.61 - Step 5: Solve for x
x = 2,285,214,606,904.61/1,339,252.11 - Step 6: Final answer
x = 1,706,336.39
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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.