Finding the Fourth Proportional to 1,802,887.70, 2,487,886.46 and 986,933.53
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Solution
The fourth proportional to 1,802,887.70, 2,487,886.46 and 986,933.53 is: 1,361,914.32
Step by Step Solution
- Step 1: Write the proportion equation
1,802,887.70 : 2,487,886.46 = 986,933.53 : x - Step 2: Convert to fraction form
1,802,887.70/2,487,886.46 = 986,933.53/x - Step 3: Cross multiply
1,802,887.70x = 2,487,886.46 × 986,933.53 - Step 4: Simplify right side
1,802,887.70x = 2,455,378,576,153.41 - Step 5: Solve for x
x = 2,455,378,576,153.41/1,802,887.70 - Step 6: Final answer
x = 1,361,914.32
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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.