Finding the Fourth Proportional to 3,028,078.35, 4,178,841.44 and 1,739,177.19
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Solution
The fourth proportional to 3,028,078.35, 4,178,841.44 and 1,739,177.19 is: 2,400,118.12
Step by Step Solution
- Step 1: Write the proportion equation
3,028,078.35 : 4,178,841.44 = 1,739,177.19 : x - Step 2: Convert to fraction form
3,028,078.35/4,178,841.44 = 1,739,177.19/x - Step 3: Cross multiply
3,028,078.35x = 4,178,841.44 × 1,739,177.19 - Step 4: Simplify right side
3,028,078.35x = 7,267,745,704,378.87 - Step 5: Solve for x
x = 7,267,745,704,378.87/3,028,078.35 - Step 6: Final answer
x = 2,400,118.12
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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.