Finding the Fourth Proportional to 2,751,726.40, 4,128,245.70 and 1,330,613.80
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Solution
The fourth proportional to 2,751,726.40, 4,128,245.70 and 1,330,613.80 is: 1,996,237.96
Step by Step Solution
- Step 1: Write the proportion equation
2,751,726.40 : 4,128,245.70 = 1,330,613.80 : x - Step 2: Convert to fraction form
2,751,726.40/4,128,245.70 = 1,330,613.80/x - Step 3: Cross multiply
2,751,726.40x = 4,128,245.70 × 1,330,613.80 - Step 4: Simplify right side
2,751,726.40x = 5,493,100,698,210.66 - Step 5: Solve for x
x = 5,493,100,698,210.66/2,751,726.40 - Step 6: Final answer
x = 1,996,237.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.