Finding the Fourth Proportional to 2,868,777.16, 3,958,999.58 and 1,579,663.68
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Solution
The fourth proportional to 2,868,777.16, 3,958,999.58 and 1,579,663.68 is: 2,179,983.84
Step by Step Solution
- Step 1: Write the proportion equation
2,868,777.16 : 3,958,999.58 = 1,579,663.68 : x - Step 2: Convert to fraction form
2,868,777.16/3,958,999.58 = 1,579,663.68/x - Step 3: Cross multiply
2,868,777.16x = 3,958,999.58 × 1,579,663.68 - Step 4: Simplify right side
2,868,777.16x = 6,253,887,845,661.25 - Step 5: Solve for x
x = 6,253,887,845,661.25/2,868,777.16 - Step 6: Final answer
x = 2,179,983.84
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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.