Finding the Fourth Proportional to 3,308,768.24, 4,564,937.40 and 2,163,518.96
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Solution
The fourth proportional to 3,308,768.24, 4,564,937.40 and 2,163,518.96 is: 2,984,895.86
Step by Step Solution
- Step 1: Write the proportion equation
3,308,768.24 : 4,564,937.40 = 2,163,518.96 : x - Step 2: Convert to fraction form
3,308,768.24/4,564,937.40 = 2,163,518.96/x - Step 3: Cross multiply
3,308,768.24x = 4,564,937.40 × 2,163,518.96 - Step 4: Simplify right side
3,308,768.24x = 9,876,328,616,113.11 - Step 5: Solve for x
x = 9,876,328,616,113.11/3,308,768.24 - Step 6: Final answer
x = 2,984,895.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.