Finding the Fourth Proportional to 4,845,835.70, 6,687,262.77 and 2,912,125.94
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Solution
The fourth proportional to 4,845,835.70, 6,687,262.77 and 2,912,125.94 is: 4,018,739.51
Step by Step Solution
- Step 1: Write the proportion equation
4,845,835.70 : 6,687,262.77 = 2,912,125.94 : x - Step 2: Convert to fraction form
4,845,835.70/6,687,262.77 = 2,912,125.94/x - Step 3: Cross multiply
4,845,835.70x = 6,687,262.77 × 2,912,125.94 - Step 4: Simplify right side
4,845,835.70x = 19,474,151,380,113.25 - Step 5: Solve for x
x = 19,474,151,380,113.25/4,845,835.70 - Step 6: Final answer
x = 4,018,739.51
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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.