Finding the Fourth Proportional to 1,440,087.66, 2,157,764.67 and 492,941.70
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Solution
The fourth proportional to 1,440,087.66, 2,157,764.67 and 492,941.70 is: 738,602.39
Step by Step Solution
- Step 1: Write the proportion equation
1,440,087.66 : 2,157,764.67 = 492,941.70 : x - Step 2: Convert to fraction form
1,440,087.66/2,157,764.67 = 492,941.70/x - Step 3: Cross multiply
1,440,087.66x = 2,157,764.67 × 492,941.70 - Step 4: Simplify right side
1,440,087.66x = 1,063,652,184,629.74 - Step 5: Solve for x
x = 1,063,652,184,629.74/1,440,087.66 - Step 6: Final answer
x = 738,602.39
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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.