Finding the Fourth Proportional to 4,637,836.76, 6,400,277.71 and 3,474,221.54
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Solution
The fourth proportional to 4,637,836.76, 6,400,277.71 and 3,474,221.54 is: 4,794,472.90
Step by Step Solution
- Step 1: Write the proportion equation
4,637,836.76 : 6,400,277.71 = 3,474,221.54 : x - Step 2: Convert to fraction form
4,637,836.76/6,400,277.71 = 3,474,221.54/x - Step 3: Cross multiply
4,637,836.76x = 6,400,277.71 × 3,474,221.54 - Step 4: Simplify right side
4,637,836.76x = 22,235,982,641,376.93 - Step 5: Solve for x
x = 22,235,982,641,376.93/4,637,836.76 - Step 6: Final answer
x = 4,794,472.90
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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.