Finding the Fourth Proportional to 2,784,849.12, 4,177,332 and 891,585.09
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Solution
The fourth proportional to 2,784,849.12, 4,177,332 and 891,585.09 is: 1,337,396.31
Step by Step Solution
- Step 1: Write the proportion equation
2,784,849.12 : 4,177,332 = 891,585.09 : x - Step 2: Convert to fraction form
2,784,849.12/4,177,332 = 891,585.09/x - Step 3: Cross multiply
2,784,849.12x = 4,177,332 × 891,585.09 - Step 4: Simplify right side
2,784,849.12x = 3,724,446,927,179.88 - Step 5: Solve for x
x = 3,724,446,927,179.88/2,784,849.12 - Step 6: Final answer
x = 1,337,396.31
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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.