Finding the Fourth Proportional to 2,818,293.42, 3,888,831.42 and 1,577,839.62
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Solution
The fourth proportional to 2,818,293.42, 3,888,831.42 and 1,577,839.62 is: 2,177,187.18
Step by Step Solution
- Step 1: Write the proportion equation
2,818,293.42 : 3,888,831.42 = 1,577,839.62 : x - Step 2: Convert to fraction form
2,818,293.42/3,888,831.42 = 1,577,839.62/x - Step 3: Cross multiply
2,818,293.42x = 3,888,831.42 × 1,577,839.62 - Step 4: Simplify right side
2,818,293.42x = 6,135,952,289,976.86 - Step 5: Solve for x
x = 6,135,952,289,976.86/2,818,293.42 - Step 6: Final answer
x = 2,177,187.18
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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.