Finding the Fourth Proportional to 1,451,176.40, 2,175,727.80 and 651,803.60
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Solution
The fourth proportional to 1,451,176.40, 2,175,727.80 and 651,803.60 is: 977,239.72
Step by Step Solution
- Step 1: Write the proportion equation
1,451,176.40 : 2,175,727.80 = 651,803.60 : x - Step 2: Convert to fraction form
1,451,176.40/2,175,727.80 = 651,803.60/x - Step 3: Cross multiply
1,451,176.40x = 2,175,727.80 × 651,803.60 - Step 4: Simplify right side
1,451,176.40x = 1,418,147,212,660.08 - Step 5: Solve for x
x = 1,418,147,212,660.08/1,451,176.40 - Step 6: Final answer
x = 977,239.72
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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.