Finding the Fourth Proportional to 1,706,381.16, 2,354,709.06 and 981,113.64
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Solution
The fourth proportional to 1,706,381.16, 2,354,709.06 and 981,113.64 is: 1,353,881.09
Step by Step Solution
- Step 1: Write the proportion equation
1,706,381.16 : 2,354,709.06 = 981,113.64 : x - Step 2: Convert to fraction form
1,706,381.16/2,354,709.06 = 981,113.64/x - Step 3: Cross multiply
1,706,381.16x = 2,354,709.06 × 981,113.64 - Step 4: Simplify right side
1,706,381.16x = 2,310,237,176,997.58 - Step 5: Solve for x
x = 2,310,237,176,997.58/1,706,381.16 - Step 6: Final answer
x = 1,353,881.09
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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.