Finding the Fourth Proportional to 5,425,820.30, 8,138,730.45 and 2,233,237.70
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Solution
The fourth proportional to 5,425,820.30, 8,138,730.45 and 2,233,237.70 is: 3,349,856.55
Step by Step Solution
- Step 1: Write the proportion equation
5,425,820.30 : 8,138,730.45 = 2,233,237.70 : x - Step 2: Convert to fraction form
5,425,820.30/8,138,730.45 = 2,233,237.70/x - Step 3: Cross multiply
5,425,820.30x = 8,138,730.45 × 2,233,237.70 - Step 4: Simplify right side
5,425,820.30x = 18,175,719,671,077.97 - Step 5: Solve for x
x = 18,175,719,671,077.97/5,425,820.30 - Step 6: Final answer
x = 3,349,856.55
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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.