Finding the Fourth Proportional to 1,221,103.84, 1,831,743.18 and 322,536.58
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Solution
The fourth proportional to 1,221,103.84, 1,831,743.18 and 322,536.58 is: 483,827.96
Step by Step Solution
- Step 1: Write the proportion equation
1,221,103.84 : 1,831,743.18 = 322,536.58 : x - Step 2: Convert to fraction form
1,221,103.84/1,831,743.18 = 322,536.58/x - Step 3: Cross multiply
1,221,103.84x = 1,831,743.18 × 322,536.58 - Step 4: Simplify right side
1,221,103.84x = 590,804,180,715.52 - Step 5: Solve for x
x = 590,804,180,715.52/1,221,103.84 - Step 6: Final answer
x = 483,827.96
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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.