Finding the Fourth Proportional to 1,586,317.54, 2,188,887.21 and 907,122.82
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Solution
The fourth proportional to 1,586,317.54, 2,188,887.21 and 907,122.82 is: 1,251,697.40
Step by Step Solution
- Step 1: Write the proportion equation
1,586,317.54 : 2,188,887.21 = 907,122.82 : x - Step 2: Convert to fraction form
1,586,317.54/2,188,887.21 = 907,122.82/x - Step 3: Cross multiply
1,586,317.54x = 2,188,887.21 × 907,122.82 - Step 4: Simplify right side
1,586,317.54x = 1,985,589,538,597.13 - Step 5: Solve for x
x = 1,985,589,538,597.13/1,586,317.54 - Step 6: Final answer
x = 1,251,697.40
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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.