Finding the Fourth Proportional to 3,645,008.10, 5,467,512.15 and 1,120,335.30
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Solution
The fourth proportional to 3,645,008.10, 5,467,512.15 and 1,120,335.30 is: 1,680,502.95
Step by Step Solution
- Step 1: Write the proportion equation
3,645,008.10 : 5,467,512.15 = 1,120,335.30 : x - Step 2: Convert to fraction form
3,645,008.10/5,467,512.15 = 1,120,335.30/x - Step 3: Cross multiply
3,645,008.10x = 5,467,512.15 × 1,120,335.30 - Step 4: Simplify right side
3,645,008.10x = 6,125,446,864,823.90 - Step 5: Solve for x
x = 6,125,446,864,823.90/3,645,008.10 - Step 6: Final answer
x = 1,680,502.95
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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.