Finding the Fourth Proportional to 3,115,346.10, 4,669,793.55 and 1,692,395.70
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Solution
The fourth proportional to 3,115,346.10, 4,669,793.55 and 1,692,395.70 is: 2,536,841.26
Step by Step Solution
- Step 1: Write the proportion equation
3,115,346.10 : 4,669,793.55 = 1,692,395.70 : x - Step 2: Convert to fraction form
3,115,346.10/4,669,793.55 = 1,692,395.70/x - Step 3: Cross multiply
3,115,346.10x = 4,669,793.55 × 1,692,395.70 - Step 4: Simplify right side
3,115,346.10x = 7,903,138,523,907.74 - Step 5: Solve for x
x = 7,903,138,523,907.74/3,115,346.10 - Step 6: Final answer
x = 2,536,841.26
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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.