Finding the Fourth Proportional to 1,529,126.10, 2,110,009.50 and 840,684.42
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Solution
The fourth proportional to 1,529,126.10, 2,110,009.50 and 840,684.42 is: 1,160,043.06
Step by Step Solution
- Step 1: Write the proportion equation
1,529,126.10 : 2,110,009.50 = 840,684.42 : x - Step 2: Convert to fraction form
1,529,126.10/2,110,009.50 = 840,684.42/x - Step 3: Cross multiply
1,529,126.10x = 2,110,009.50 × 840,684.42 - Step 4: Simplify right side
1,529,126.10x = 1,773,852,112,701.99 - Step 5: Solve for x
x = 1,773,852,112,701.99/1,529,126.10 - Step 6: Final answer
x = 1,160,043.06
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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.