Finding the Fourth Proportional to 1,475,250.38, 2,035,908.35 and 821,876.03
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Solution
The fourth proportional to 1,475,250.38, 2,035,908.35 and 821,876.03 is: 1,134,223.92
Step by Step Solution
- Step 1: Write the proportion equation
1,475,250.38 : 2,035,908.35 = 821,876.03 : x - Step 2: Convert to fraction form
1,475,250.38/2,035,908.35 = 821,876.03/x - Step 3: Cross multiply
1,475,250.38x = 2,035,908.35 × 821,876.03 - Step 4: Simplify right side
1,475,250.38x = 1,673,264,272,141.85 - Step 5: Solve for x
x = 1,673,264,272,141.85/1,475,250.38 - Step 6: Final answer
x = 1,134,223.92
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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.