Finding the Fourth Proportional to 5,243,366.16, 7,865,473.68 and 1,456,849.44
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Solution
The fourth proportional to 5,243,366.16, 7,865,473.68 and 1,456,849.44 is: 2,185,392.09
Step by Step Solution
- Step 1: Write the proportion equation
5,243,366.16 : 7,865,473.68 = 1,456,849.44 : x - Step 2: Convert to fraction form
5,243,366.16/7,865,473.68 = 1,456,849.44/x - Step 3: Cross multiply
5,243,366.16x = 7,865,473.68 × 1,456,849.44 - Step 4: Simplify right side
5,243,366.16x = 11,458,810,926,042.74 - Step 5: Solve for x
x = 11,458,810,926,042.74/5,243,366.16 - Step 6: Final answer
x = 2,185,392.09
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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.