Finding the Fourth Proportional to 1,357,595.20, 2,035,874.40 and 410,651.20
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Solution
The fourth proportional to 1,357,595.20, 2,035,874.40 and 410,651.20 is: 615,819.99
Step by Step Solution
- Step 1: Write the proportion equation
1,357,595.20 : 2,035,874.40 = 410,651.20 : x - Step 2: Convert to fraction form
1,357,595.20/2,035,874.40 = 410,651.20/x - Step 3: Cross multiply
1,357,595.20x = 2,035,874.40 × 410,651.20 - Step 4: Simplify right side
1,357,595.20x = 836,034,265,409.28 - Step 5: Solve for x
x = 836,034,265,409.28/1,357,595.20 - Step 6: Final answer
x = 615,819.99
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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.