Finding the Fourth Proportional to 5,689,686.36, 8,535,378.42 and 2,095,177.08
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Solution
The fourth proportional to 5,689,686.36, 8,535,378.42 and 2,095,177.08 is: 3,143,078.21
Step by Step Solution
- Step 1: Write the proportion equation
5,689,686.36 : 8,535,378.42 = 2,095,177.08 : x - Step 2: Convert to fraction form
5,689,686.36/8,535,378.42 = 2,095,177.08/x - Step 3: Cross multiply
5,689,686.36x = 8,535,378.42 × 2,095,177.08 - Step 4: Simplify right side
5,689,686.36x = 17,883,129,234,710.61 - Step 5: Solve for x
x = 17,883,129,234,710.61/5,689,686.36 - Step 6: Final answer
x = 3,143,078.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.