Finding the Fourth Proportional to 4,129,162.60, 6,193,741.02 and 1,289,518.12
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Solution
The fourth proportional to 4,129,162.60, 6,193,741.02 and 1,289,518.12 is: 1,934,276.28
Step by Step Solution
- Step 1: Write the proportion equation
4,129,162.60 : 6,193,741.02 = 1,289,518.12 : x - Step 2: Convert to fraction form
4,129,162.60/6,193,741.02 = 1,289,518.12/x - Step 3: Cross multiply
4,129,162.60x = 6,193,741.02 × 1,289,518.12 - Step 4: Simplify right side
4,129,162.60x = 7,986,941,275,877.28 - Step 5: Solve for x
x = 7,986,941,275,877.28/4,129,162.60 - Step 6: Final answer
x = 1,934,276.28
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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.