Finding the Fourth Proportional to 4,057,317.20, 6,086,569.20 and 1,217,653.76
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Solution
The fourth proportional to 4,057,317.20, 6,086,569.20 and 1,217,653.76 is: 1,826,658.73
Step by Step Solution
- Step 1: Write the proportion equation
4,057,317.20 : 6,086,569.20 = 1,217,653.76 : x - Step 2: Convert to fraction form
4,057,317.20/6,086,569.20 = 1,217,653.76/x - Step 3: Cross multiply
4,057,317.20x = 6,086,569.20 × 1,217,653.76 - Step 4: Simplify right side
4,057,317.20x = 7,411,333,871,880.19 - Step 5: Solve for x
x = 7,411,333,871,880.19/4,057,317.20 - Step 6: Final answer
x = 1,826,658.73
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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.