Finding the Fourth Proportional to 1,785,962.16, 2,678,964.12 and 523,815.12
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Solution
The fourth proportional to 1,785,962.16, 2,678,964.12 and 523,815.12 is: 785,728.80
Step by Step Solution
- Step 1: Write the proportion equation
1,785,962.16 : 2,678,964.12 = 523,815.12 : x - Step 2: Convert to fraction form
1,785,962.16/2,678,964.12 = 523,815.12/x - Step 3: Cross multiply
1,785,962.16x = 2,678,964.12 × 523,815.12 - Step 4: Simplify right side
1,785,962.16x = 1,403,281,911,993.49 - Step 5: Solve for x
x = 1,403,281,911,993.49/1,785,962.16 - Step 6: Final answer
x = 785,728.80
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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.