Finding the Fourth Proportional to 4,639,579.10, 6,402,450.93 and 2,574,684.80
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Solution
The fourth proportional to 4,639,579.10, 6,402,450.93 and 2,574,684.80 is: 3,552,971.67
Step by Step Solution
- Step 1: Write the proportion equation
4,639,579.10 : 6,402,450.93 = 2,574,684.80 : x - Step 2: Convert to fraction form
4,639,579.10/6,402,450.93 = 2,574,684.80/x - Step 3: Cross multiply
4,639,579.10x = 6,402,450.93 × 2,574,684.80 - Step 4: Simplify right side
4,639,579.10x = 16,484,293,092,216.86 - Step 5: Solve for x
x = 16,484,293,092,216.86/4,639,579.10 - Step 6: Final answer
x = 3,552,971.67
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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.