Finding the Fourth Proportional to 1,475,248.88, 2,035,906.28 and 821,874.53
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Solution
The fourth proportional to 1,475,248.88, 2,035,906.28 and 821,874.53 is: 1,134,221.85
Step by Step Solution
- Step 1: Write the proportion equation
1,475,248.88 : 2,035,906.28 = 821,874.53 : x - Step 2: Convert to fraction form
1,475,248.88/2,035,906.28 = 821,874.53/x - Step 3: Cross multiply
1,475,248.88x = 2,035,906.28 × 821,874.53 - Step 4: Simplify right side
1,475,248.88x = 1,673,259,516,999.05 - Step 5: Solve for x
x = 1,673,259,516,999.05/1,475,248.88 - Step 6: Final answer
x = 1,134,221.85
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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.