Finding the Fourth Proportional to 1,341,612.12, 2,012,418.18 and 344,340.12
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Solution
The fourth proportional to 1,341,612.12, 2,012,418.18 and 344,340.12 is: 516,510.18
Step by Step Solution
- Step 1: Write the proportion equation
1,341,612.12 : 2,012,418.18 = 344,340.12 : x - Step 2: Convert to fraction form
1,341,612.12/2,012,418.18 = 344,340.12/x - Step 3: Cross multiply
1,341,612.12x = 2,012,418.18 × 344,340.12 - Step 4: Simplify right side
1,341,612.12x = 692,956,317,591.38 - Step 5: Solve for x
x = 692,956,317,591.38/1,341,612.12 - Step 6: Final answer
x = 516,510.18
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1.5x scale
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.