Finding the Fourth Proportional to 2,168,424, 2,992,490.73 and 1,201,463.82
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Solution
The fourth proportional to 2,168,424, 2,992,490.73 and 1,201,463.82 is: 1,658,056.42
Step by Step Solution
- Step 1: Write the proportion equation
2,168,424 : 2,992,490.73 = 1,201,463.82 : x - Step 2: Convert to fraction form
2,168,424/2,992,490.73 = 1,201,463.82/x - Step 3: Cross multiply
2,168,424x = 2,992,490.73 × 1,201,463.82 - Step 4: Simplify right side
2,168,424x = 3,595,369,343,780.39 - Step 5: Solve for x
x = 3,595,369,343,780.39/2,168,424 - Step 6: Final answer
x = 1,658,056.42
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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.