Finding the Fourth Proportional to 4,088,709.20, 6,133,063.80 and 1,248,452.30
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Solution
The fourth proportional to 4,088,709.20, 6,133,063.80 and 1,248,452.30 is: 1,872,678.45
Step by Step Solution
- Step 1: Write the proportion equation
4,088,709.20 : 6,133,063.80 = 1,248,452.30 : x - Step 2: Convert to fraction form
4,088,709.20/6,133,063.80 = 1,248,452.30/x - Step 3: Cross multiply
4,088,709.20x = 6,133,063.80 × 1,248,452.30 - Step 4: Simplify right side
4,088,709.20x = 7,656,837,607,156.74 - Step 5: Solve for x
x = 7,656,837,607,156.74/4,088,709.20 - Step 6: Final answer
x = 1,872,678.45
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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.