Finding the Fourth Proportional to 1,879,602.16, 2,819,352.20 and 1,302,661.84
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Solution
The fourth proportional to 1,879,602.16, 2,819,352.20 and 1,302,661.84 is: 1,953,957.39
Step by Step Solution
- Step 1: Write the proportion equation
1,879,602.16 : 2,819,352.20 = 1,302,661.84 : x - Step 2: Convert to fraction form
1,879,602.16/2,819,352.20 = 1,302,661.84/x - Step 3: Cross multiply
1,879,602.16x = 2,819,352.20 × 1,302,661.84 - Step 4: Simplify right side
1,879,602.16x = 3,672,662,524,460.05 - Step 5: Solve for x
x = 3,672,662,524,460.05/1,879,602.16 - Step 6: Final answer
x = 1,953,957.39
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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.