Finding the Fourth Proportional to 3,564,639.39, 4,919,203.74 and 1,933,046.34
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Solution
The fourth proportional to 3,564,639.39, 4,919,203.74 and 1,933,046.34 is: 2,667,604.70
Step by Step Solution
- Step 1: Write the proportion equation
3,564,639.39 : 4,919,203.74 = 1,933,046.34 : x - Step 2: Convert to fraction form
3,564,639.39/4,919,203.74 = 1,933,046.34/x - Step 3: Cross multiply
3,564,639.39x = 4,919,203.74 × 1,933,046.34 - Step 4: Simplify right side
3,564,639.39x = 9,509,048,785,321.31 - Step 5: Solve for x
x = 9,509,048,785,321.31/3,564,639.39 - Step 6: Final answer
x = 2,667,604.70
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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.