Finding the Fourth Proportional to 7,038,924.75, 9,713,716.16 and 3,819,660.75
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Solution
The fourth proportional to 7,038,924.75, 9,713,716.16 and 3,819,660.75 is: 5,271,131.84
Step by Step Solution
- Step 1: Write the proportion equation
7,038,924.75 : 9,713,716.16 = 3,819,660.75 : x - Step 2: Convert to fraction form
7,038,924.75/9,713,716.16 = 3,819,660.75/x - Step 3: Cross multiply
7,038,924.75x = 9,713,716.16 × 3,819,660.75 - Step 4: Simplify right side
7,038,924.75x = 37,103,100,333,894.41 - Step 5: Solve for x
x = 37,103,100,333,894.41/7,038,924.75 - Step 6: Final answer
x = 5,271,131.84
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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.