Finding the Fourth Proportional to 4,638,957.76, 6,402,113.42 and 2,574,365.06
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Solution
The fourth proportional to 4,638,957.76, 6,402,113.42 and 2,574,365.06 is: 3,552,818.96
Step by Step Solution
- Step 1: Write the proportion equation
4,638,957.76 : 6,402,113.42 = 2,574,365.06 : x - Step 2: Convert to fraction form
4,638,957.76/6,402,113.42 = 2,574,365.06/x - Step 3: Cross multiply
4,638,957.76x = 6,402,113.42 × 2,574,365.06 - Step 4: Simplify right side
4,638,957.76x = 16,481,377,098,605.11 - Step 5: Solve for x
x = 16,481,377,098,605.11/4,638,957.76 - Step 6: Final answer
x = 3,552,818.96
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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.