Finding the Fourth Proportional to 7,175,180.66, 10,762,810.63 and 1,783,831.09
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Solution
The fourth proportional to 7,175,180.66, 10,762,810.63 and 1,783,831.09 is: 2,675,756.49
Step by Step Solution
- Step 1: Write the proportion equation
7,175,180.66 : 10,762,810.63 = 1,783,831.09 : x - Step 2: Convert to fraction form
7,175,180.66/10,762,810.63 = 1,783,831.09/x - Step 3: Cross multiply
7,175,180.66x = 10,762,810.63 × 1,783,831.09 - Step 4: Simplify right side
7,175,180.66x = 19,199,036,190,669.46 - Step 5: Solve for x
x = 19,199,036,190,669.46/7,175,180.66 - Step 6: Final answer
x = 2,675,756.49
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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.