Finding the Fourth Proportional to 6,649,794.28, 9,974,987.74 and 2,038,440.68
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Solution
The fourth proportional to 6,649,794.28, 9,974,987.74 and 2,038,440.68 is: 3,057,751.85
Step by Step Solution
- Step 1: Write the proportion equation
6,649,794.28 : 9,974,987.74 = 2,038,440.68 : x - Step 2: Convert to fraction form
6,649,794.28/9,974,987.74 = 2,038,440.68/x - Step 3: Cross multiply
6,649,794.28x = 9,974,987.74 × 2,038,440.68 - Step 4: Simplify right side
6,649,794.28x = 20,333,420,791,717.26 - Step 5: Solve for x
x = 20,333,420,791,717.26/6,649,794.28 - Step 6: Final answer
x = 3,057,751.85
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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.