Finding the Fourth Proportional to 5,425,845.70, 8,140,064.55 and 1,639,365.70
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Solution
The fourth proportional to 5,425,845.70, 8,140,064.55 and 1,639,365.70 is: 2,459,440.12
Step by Step Solution
- Step 1: Write the proportion equation
5,425,845.70 : 8,140,064.55 = 1,639,365.70 : x - Step 2: Convert to fraction form
5,425,845.70/8,140,064.55 = 1,639,365.70/x - Step 3: Cross multiply
5,425,845.70x = 8,140,064.55 × 1,639,365.70 - Step 4: Simplify right side
5,425,845.70x = 13,344,542,619,055.93 - Step 5: Solve for x
x = 13,344,542,619,055.93/5,425,845.70 - Step 6: Final answer
x = 2,459,440.12
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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.