Finding the Fourth Proportional to 4,387,831.97, 6,580,462.60 and 1,653,406.56
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Solution
The fourth proportional to 4,387,831.97, 6,580,462.60 and 1,653,406.56 is: 2,479,625.50
Step by Step Solution
- Step 1: Write the proportion equation
4,387,831.97 : 6,580,462.60 = 1,653,406.56 : x - Step 2: Convert to fraction form
4,387,831.97/6,580,462.60 = 1,653,406.56/x - Step 3: Cross multiply
4,387,831.97x = 6,580,462.60 × 1,653,406.56 - Step 4: Simplify right side
4,387,831.97x = 10,880,180,030,674.66 - Step 5: Solve for x
x = 10,880,180,030,674.66/4,387,831.97 - Step 6: Final answer
x = 2,479,625.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.