Finding the Fourth Proportional to 1,221,102.84, 1,831,741.68 and 322,535.58
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Solution
The fourth proportional to 1,221,102.84, 1,831,741.68 and 322,535.58 is: 483,826.46
Step by Step Solution
- Step 1: Write the proportion equation
1,221,102.84 : 1,831,741.68 = 322,535.58 : x - Step 2: Convert to fraction form
1,221,102.84/1,831,741.68 = 322,535.58/x - Step 3: Cross multiply
1,221,102.84x = 1,831,741.68 × 322,535.58 - Step 4: Simplify right side
1,221,102.84x = 590,801,865,168.97 - Step 5: Solve for x
x = 590,801,865,168.97/1,221,102.84 - Step 6: Final answer
x = 483,826.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.