Finding the Fourth Proportional to 1,785,962.66, 2,678,964.87 and 523,815.62
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Solution
The fourth proportional to 1,785,962.66, 2,678,964.87 and 523,815.62 is: 785,729.55
Step by Step Solution
- Step 1: Write the proportion equation
1,785,962.66 : 2,678,964.87 = 523,815.62 : x - Step 2: Convert to fraction form
1,785,962.66/2,678,964.87 = 523,815.62/x - Step 3: Cross multiply
1,785,962.66x = 2,678,964.87 × 523,815.62 - Step 4: Simplify right side
1,785,962.66x = 1,403,283,644,337.27 - Step 5: Solve for x
x = 1,403,283,644,337.27/1,785,962.66 - Step 6: Final answer
x = 785,729.55
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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.