Finding the Fourth Proportional to 3,751,931.30, 5,626,518.44 and 1,289,248.79
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Solution
The fourth proportional to 3,751,931.30, 5,626,518.44 and 1,289,248.79 is: 1,933,399.49
Step by Step Solution
- Step 1: Write the proportion equation
3,751,931.30 : 5,626,518.44 = 1,289,248.79 : x - Step 2: Convert to fraction form
3,751,931.30/5,626,518.44 = 1,289,248.79/x - Step 3: Cross multiply
3,751,931.30x = 5,626,518.44 × 1,289,248.79 - Step 4: Simplify right side
3,751,931.30x = 7,253,982,056,103.85 - Step 5: Solve for x
x = 7,253,982,056,103.85/3,751,931.30 - Step 6: Final answer
x = 1,933,399.49
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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.