Finding the Fourth Proportional to 5,551,831.80, 8,327,747.70 and 3,312,343.80
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Solution
The fourth proportional to 5,551,831.80, 8,327,747.70 and 3,312,343.80 is: 4,968,515.70
Step by Step Solution
- Step 1: Write the proportion equation
5,551,831.80 : 8,327,747.70 = 3,312,343.80 : x - Step 2: Convert to fraction form
5,551,831.80/8,327,747.70 = 3,312,343.80/x - Step 3: Cross multiply
5,551,831.80x = 8,327,747.70 × 3,312,343.80 - Step 4: Simplify right side
5,551,831.80x = 27,584,363,462,059.26 - Step 5: Solve for x
x = 27,584,363,462,059.26/5,551,831.80 - Step 6: Final answer
x = 4,968,515.70
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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.