Finding the Fourth Proportional to 3,577,579.76, 4,939,831.23 and 2,749,341.41
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Solution
The fourth proportional to 3,577,579.76, 4,939,831.23 and 2,749,341.41 is: 3,796,220.77
Step by Step Solution
- Step 1: Write the proportion equation
3,577,579.76 : 4,939,831.23 = 2,749,341.41 : x - Step 2: Convert to fraction form
3,577,579.76/4,939,831.23 = 2,749,341.41/x - Step 3: Cross multiply
3,577,579.76x = 4,939,831.23 × 2,749,341.41 - Step 4: Simplify right side
3,577,579.76x = 13,581,282,559,050.24 - Step 5: Solve for x
x = 13,581,282,559,050.24/3,577,579.76 - Step 6: Final answer
x = 3,796,220.77
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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.