Finding the Fourth Proportional to 5,430,165.60, 8,148,200.85 and 2,235,614.70
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Solution
The fourth proportional to 5,430,165.60, 8,148,200.85 and 2,235,614.70 is: 3,354,637.58
Step by Step Solution
- Step 1: Write the proportion equation
5,430,165.60 : 8,148,200.85 = 2,235,614.70 : x - Step 2: Convert to fraction form
5,430,165.60/8,148,200.85 = 2,235,614.70/x - Step 3: Cross multiply
5,430,165.60x = 8,148,200.85 × 2,235,614.70 - Step 4: Simplify right side
5,430,165.60x = 18,216,237,598,812.50 - Step 5: Solve for x
x = 18,216,237,598,812.50/5,430,165.60 - Step 6: Final answer
x = 3,354,637.58
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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.