Finding the Fourth Proportional to 5,678,844.30, 8,518,266.45 and 3,439,356.30
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Solution
The fourth proportional to 5,678,844.30, 8,518,266.45 and 3,439,356.30 is: 5,159,034.45
Step by Step Solution
- Step 1: Write the proportion equation
5,678,844.30 : 8,518,266.45 = 3,439,356.30 : x - Step 2: Convert to fraction form
5,678,844.30/8,518,266.45 = 3,439,356.30/x - Step 3: Cross multiply
5,678,844.30x = 8,518,266.45 × 3,439,356.30 - Step 4: Simplify right side
5,678,844.30x = 29,297,353,379,886.13 - Step 5: Solve for x
x = 29,297,353,379,886.13/5,678,844.30 - Step 6: Final answer
x = 5,159,034.45
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1.5x scale
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.