Finding the Fourth Proportional to 5,564,729.20, 8,349,718.20 and 4,147,553.20
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Solution
The fourth proportional to 5,564,729.20, 8,349,718.20 and 4,147,553.20 is: 6,223,285.84
Step by Step Solution
- Step 1: Write the proportion equation
5,564,729.20 : 8,349,718.20 = 4,147,553.20 : x - Step 2: Convert to fraction form
5,564,729.20/8,349,718.20 = 4,147,553.20/x - Step 3: Cross multiply
5,564,729.20x = 8,349,718.20 × 4,147,553.20 - Step 4: Simplify right side
5,564,729.20x = 34,630,900,439,508.24 - Step 5: Solve for x
x = 34,630,900,439,508.24/5,564,729.20 - Step 6: Final answer
x = 6,223,285.84
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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.