Finding the Fourth Proportional to 4,188,014.70, 6,282,022.05 and 1,495,380.30
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Solution
The fourth proportional to 4,188,014.70, 6,282,022.05 and 1,495,380.30 is: 2,243,070.45
Step by Step Solution
- Step 1: Write the proportion equation
4,188,014.70 : 6,282,022.05 = 1,495,380.30 : x - Step 2: Convert to fraction form
4,188,014.70/6,282,022.05 = 1,495,380.30/x - Step 3: Cross multiply
4,188,014.70x = 6,282,022.05 × 1,495,380.30 - Step 4: Simplify right side
4,188,014.70x = 9,394,012,017,735.62 - Step 5: Solve for x
x = 9,394,012,017,735.62/4,188,014.70 - Step 6: Final answer
x = 2,243,070.45
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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.