Finding the Fourth Proportional to 1,423,659.98, 2,135,803.67 and 412,824.13
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Solution
The fourth proportional to 1,423,659.98, 2,135,803.67 and 412,824.13 is: 619,327.17
Step by Step Solution
- Step 1: Write the proportion equation
1,423,659.98 : 2,135,803.67 = 412,824.13 : x - Step 2: Convert to fraction form
1,423,659.98/2,135,803.67 = 412,824.13/x - Step 3: Cross multiply
1,423,659.98x = 2,135,803.67 × 412,824.13 - Step 4: Simplify right side
1,423,659.98x = 881,711,300,379.97 - Step 5: Solve for x
x = 881,711,300,379.97/1,423,659.98 - Step 6: Final answer
x = 619,327.17
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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.