Finding the Fourth Proportional to 5,437,124.80, 8,148,688.80 and 4,168,664.80
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Solution
The fourth proportional to 5,437,124.80, 8,148,688.80 and 4,168,664.80 is: 6,247,631.50
Step by Step Solution
- Step 1: Write the proportion equation
5,437,124.80 : 8,148,688.80 = 4,168,664.80 : x - Step 2: Convert to fraction form
5,437,124.80/8,148,688.80 = 4,168,664.80/x - Step 3: Cross multiply
5,437,124.80x = 8,148,688.80 × 4,168,664.80 - Step 4: Simplify right side
5,437,124.80x = 33,969,152,166,714.24 - Step 5: Solve for x
x = 33,969,152,166,714.24/5,437,124.80 - Step 6: Final answer
x = 6,247,631.50
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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.