Finding the Fourth Proportional to 1,614,724.51, 2,420,423.26 and 716,589.22
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Solution
The fourth proportional to 1,614,724.51, 2,420,423.26 and 716,589.22 is: 1,074,145.59
Step by Step Solution
- Step 1: Write the proportion equation
1,614,724.51 : 2,420,423.26 = 716,589.22 : x - Step 2: Convert to fraction form
1,614,724.51/2,420,423.26 = 716,589.22/x - Step 3: Cross multiply
1,614,724.51x = 2,420,423.26 × 716,589.22 - Step 4: Simplify right side
1,614,724.51x = 1,734,449,215,953.26 - Step 5: Solve for x
x = 1,734,449,215,953.26/1,614,724.51 - Step 6: Final answer
x = 1,074,145.59
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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.