Finding the Fourth Proportional to 4,904,726.46, 6,764,688.06 and 3,186,400.62
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Solution
The fourth proportional to 4,904,726.46, 6,764,688.06 and 3,186,400.62 is: 4,394,741.77
Step by Step Solution
- Step 1: Write the proportion equation
4,904,726.46 : 6,764,688.06 = 3,186,400.62 : x - Step 2: Convert to fraction form
4,904,726.46/6,764,688.06 = 3,186,400.62/x - Step 3: Cross multiply
4,904,726.46x = 6,764,688.06 × 3,186,400.62 - Step 4: Simplify right side
4,904,726.46x = 21,555,006,228,490.60 - Step 5: Solve for x
x = 21,555,006,228,490.60/4,904,726.46 - Step 6: Final answer
x = 4,394,741.77
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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.