Finding the Fourth Proportional to 2,166,327.36, 2,988,590.58 and 1,306,409.76
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Solution
The fourth proportional to 2,166,327.36, 2,988,590.58 and 1,306,409.76 is: 1,802,277.89
Step by Step Solution
- Step 1: Write the proportion equation
2,166,327.36 : 2,988,590.58 = 1,306,409.76 : x - Step 2: Convert to fraction form
2,166,327.36/2,988,590.58 = 1,306,409.76/x - Step 3: Cross multiply
2,166,327.36x = 2,988,590.58 × 1,306,409.76 - Step 4: Simplify right side
2,166,327.36x = 3,904,323,902,356.06 - Step 5: Solve for x
x = 3,904,323,902,356.06/2,166,327.36 - Step 6: Final answer
x = 1,802,277.89
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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.