Finding the Fourth Proportional to 4,416,615.36, 6,624,924.04 and 1,383,980.72
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Solution
The fourth proportional to 4,416,615.36, 6,624,924.04 and 1,383,980.72 is: 2,075,971.39
Step by Step Solution
- Step 1: Write the proportion equation
4,416,615.36 : 6,624,924.04 = 1,383,980.72 : x - Step 2: Convert to fraction form
4,416,615.36/6,624,924.04 = 1,383,980.72/x - Step 3: Cross multiply
4,416,615.36x = 6,624,924.04 × 1,383,980.72 - Step 4: Simplify right side
4,416,615.36x = 9,168,767,142,824.51 - Step 5: Solve for x
x = 9,168,767,142,824.51/4,416,615.36 - Step 6: Final answer
x = 2,075,971.39
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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.