Finding the Fourth Proportional to 4,147,622.70, 6,221,434.05 and 1,155,806.70
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Solution
The fourth proportional to 4,147,622.70, 6,221,434.05 and 1,155,806.70 is: 1,733,710.05
Step by Step Solution
- Step 1: Write the proportion equation
4,147,622.70 : 6,221,434.05 = 1,155,806.70 : x - Step 2: Convert to fraction form
4,147,622.70/6,221,434.05 = 1,155,806.70/x - Step 3: Cross multiply
4,147,622.70x = 6,221,434.05 × 1,155,806.70 - Step 4: Simplify right side
4,147,622.70x = 7,190,775,158,598.14 - Step 5: Solve for x
x = 7,190,775,158,598.14/4,147,622.70 - Step 6: Final answer
x = 1,733,710.05
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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.