Finding the Fourth Proportional to 2,343,589.40, 3,234,178.86 and 1,376,760.44
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Solution
The fourth proportional to 2,343,589.40, 3,234,178.86 and 1,376,760.44 is: 1,899,944.38
Step by Step Solution
- Step 1: Write the proportion equation
2,343,589.40 : 3,234,178.86 = 1,376,760.44 : x - Step 2: Convert to fraction form
2,343,589.40/3,234,178.86 = 1,376,760.44/x - Step 3: Cross multiply
2,343,589.40x = 3,234,178.86 × 1,376,760.44 - Step 4: Simplify right side
2,343,589.40x = 4,452,689,510,332.30 - Step 5: Solve for x
x = 4,452,689,510,332.30/2,343,589.40 - Step 6: Final answer
x = 1,899,944.38
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1.5x scale
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.