Finding the Fourth Proportional to 4,756,430.82, 7,134,391.71 and 1,682,208.66
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Solution
The fourth proportional to 4,756,430.82, 7,134,391.71 and 1,682,208.66 is: 2,523,222.97
Step by Step Solution
- Step 1: Write the proportion equation
4,756,430.82 : 7,134,391.71 = 1,682,208.66 : x - Step 2: Convert to fraction form
4,756,430.82/7,134,391.71 = 1,682,208.66/x - Step 3: Cross multiply
4,756,430.82x = 7,134,391.71 × 1,682,208.66 - Step 4: Simplify right side
4,756,430.82x = 12,001,535,518,394.21 - Step 5: Solve for x
x = 12,001,535,518,394.21/4,756,430.82 - Step 6: Final answer
x = 2,523,222.97
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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.