Finding the Fourth Proportional to 2,964,906.18, 4,092,009.30 and 1,877,278.68
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Solution
The fourth proportional to 2,964,906.18, 4,092,009.30 and 1,877,278.68 is: 2,590,922.39
Step by Step Solution
- Step 1: Write the proportion equation
2,964,906.18 : 4,092,009.30 = 1,877,278.68 : x - Step 2: Convert to fraction form
2,964,906.18/4,092,009.30 = 1,877,278.68/x - Step 3: Cross multiply
2,964,906.18x = 4,092,009.30 × 1,877,278.68 - Step 4: Simplify right side
2,964,906.18x = 7,681,841,817,251.72 - Step 5: Solve for x
x = 7,681,841,817,251.72/2,964,906.18 - Step 6: Final answer
x = 2,590,922.39
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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.