Finding the Fourth Proportional to 3,220,966.95, 4,831,324.33 and 1,091,051.07
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Solution
The fourth proportional to 3,220,966.95, 4,831,324.33 and 1,091,051.07 is: 1,636,533.89
Step by Step Solution
- Step 1: Write the proportion equation
3,220,966.95 : 4,831,324.33 = 1,091,051.07 : x - Step 2: Convert to fraction form
3,220,966.95/4,831,324.33 = 1,091,051.07/x - Step 3: Cross multiply
3,220,966.95x = 4,831,324.33 × 1,091,051.07 - Step 4: Simplify right side
3,220,966.95x = 5,271,221,558,918.44 - Step 5: Solve for x
x = 5,271,221,558,918.44/3,220,966.95 - Step 6: Final answer
x = 1,636,533.89
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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.