Finding the Fourth Proportional to 2,095,417.20, 3,138,460.20 and 1,815,481.20
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Solution
The fourth proportional to 2,095,417.20, 3,138,460.20 and 1,815,481.20 is: 2,719,179.50
Step by Step Solution
- Step 1: Write the proportion equation
2,095,417.20 : 3,138,460.20 = 1,815,481.20 : x - Step 2: Convert to fraction form
2,095,417.20/3,138,460.20 = 1,815,481.20/x - Step 3: Cross multiply
2,095,417.20x = 3,138,460.20 × 1,815,481.20 - Step 4: Simplify right side
2,095,417.20x = 5,697,815,490,048.24 - Step 5: Solve for x
x = 5,697,815,490,048.24/2,095,417.20 - Step 6: Final answer
x = 2,719,179.50
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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.