Finding the Fourth Proportional to 1,529,156.68, 2,110,282.14 and 840,792.94
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Solution
The fourth proportional to 1,529,156.68, 2,110,282.14 and 840,792.94 is: 1,160,319.51
Step by Step Solution
- Step 1: Write the proportion equation
1,529,156.68 : 2,110,282.14 = 840,792.94 : x - Step 2: Convert to fraction form
1,529,156.68/2,110,282.14 = 840,792.94/x - Step 3: Cross multiply
1,529,156.68x = 2,110,282.14 × 840,792.94 - Step 4: Simplify right side
1,529,156.68x = 1,774,310,324,720.09 - Step 5: Solve for x
x = 1,774,310,324,720.09/1,529,156.68 - Step 6: Final answer
x = 1,160,319.51
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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.