Finding the Fourth Proportional to 1,529,104.88, 2,110,218.88 and 840,829.12
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Solution
The fourth proportional to 1,529,104.88, 2,110,218.88 and 840,829.12 is: 1,160,373.96
Step by Step Solution
- Step 1: Write the proportion equation
1,529,104.88 : 2,110,218.88 = 840,829.12 : x - Step 2: Convert to fraction form
1,529,104.88/2,110,218.88 = 840,829.12/x - Step 3: Cross multiply
1,529,104.88x = 2,110,218.88 × 840,829.12 - Step 4: Simplify right side
1,529,104.88x = 1,774,333,483,877.79 - Step 5: Solve for x
x = 1,774,333,483,877.79/1,529,104.88 - Step 6: Final answer
x = 1,160,373.96
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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.