Finding the Fourth Proportional to 4,416,612.36, 6,624,919.55 and 1,383,977.71
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Solution
The fourth proportional to 4,416,612.36, 6,624,919.55 and 1,383,977.71 is: 2,075,966.88
Step by Step Solution
- Step 1: Write the proportion equation
4,416,612.36 : 6,624,919.55 = 1,383,977.71 : x - Step 2: Convert to fraction form
4,416,612.36/6,624,919.55 = 1,383,977.71/x - Step 3: Cross multiply
4,416,612.36x = 6,624,919.55 × 1,383,977.71 - Step 4: Simplify right side
4,416,612.36x = 9,168,740,987,743.23 - Step 5: Solve for x
x = 9,168,740,987,743.23/4,416,612.36 - Step 6: Final answer
x = 2,075,966.88
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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.