Finding the Fourth Proportional to 2,689,191.59, 3,710,976.36 and 1,465,471.02
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Solution
The fourth proportional to 2,689,191.59, 3,710,976.36 and 1,465,471.02 is: 2,022,291.14
Step by Step Solution
- Step 1: Write the proportion equation
2,689,191.59 : 3,710,976.36 = 1,465,471.02 : x - Step 2: Convert to fraction form
2,689,191.59/3,710,976.36 = 1,465,471.02/x - Step 3: Cross multiply
2,689,191.59x = 3,710,976.36 × 1,465,471.02 - Step 4: Simplify right side
2,689,191.59x = 5,438,328,311,485.09 - Step 5: Solve for x
x = 5,438,328,311,485.09/2,689,191.59 - Step 6: Final answer
x = 2,022,291.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.