Finding the Fourth Proportional to 2,313,308.18, 3,192,465.07 and 1,280,815.99
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Solution
The fourth proportional to 2,313,308.18, 3,192,465.07 and 1,280,815.99 is: 1,767,581.31
Step by Step Solution
- Step 1: Write the proportion equation
2,313,308.18 : 3,192,465.07 = 1,280,815.99 : x - Step 2: Convert to fraction form
2,313,308.18/3,192,465.07 = 1,280,815.99/x - Step 3: Cross multiply
2,313,308.18x = 3,192,465.07 × 1,280,815.99 - Step 4: Simplify right side
2,313,308.18x = 4,088,960,291,597.16 - Step 5: Solve for x
x = 4,088,960,291,597.16/2,313,308.18 - Step 6: Final answer
x = 1,767,581.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.