Finding the Fourth Proportional to 7,449,184.16, 11,169,203.20 and 2,894,915.20
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Solution
The fourth proportional to 7,449,184.16, 11,169,203.20 and 2,894,915.20 is: 4,340,595.62
Step by Step Solution
- Step 1: Write the proportion equation
7,449,184.16 : 11,169,203.20 = 2,894,915.20 : x - Step 2: Convert to fraction form
7,449,184.16/11,169,203.20 = 2,894,915.20/x - Step 3: Cross multiply
7,449,184.16x = 11,169,203.20 × 2,894,915.20 - Step 4: Simplify right side
7,449,184.16x = 32,333,896,115,568.64 - Step 5: Solve for x
x = 32,333,896,115,568.64/7,449,184.16 - Step 6: Final answer
x = 4,340,595.62
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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.