Finding the Fourth Proportional to 2,913,485.70, 4,370,228.55 and 2,240,861.70
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Solution
The fourth proportional to 2,913,485.70, 4,370,228.55 and 2,240,861.70 is: 3,361,292.55
Step by Step Solution
- Step 1: Write the proportion equation
2,913,485.70 : 4,370,228.55 = 2,240,861.70 : x - Step 2: Convert to fraction form
2,913,485.70/4,370,228.55 = 2,240,861.70/x - Step 3: Cross multiply
2,913,485.70x = 4,370,228.55 × 2,240,861.70 - Step 4: Simplify right side
2,913,485.70x = 9,793,077,777,941.54 - Step 5: Solve for x
x = 9,793,077,777,941.54/2,913,485.70 - Step 6: Final answer
x = 3,361,292.55
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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.