Finding the Fourth Proportional to 5,400,854.40, 8,100,244.80 and 1,614,460.80
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Solution
The fourth proportional to 5,400,854.40, 8,100,244.80 and 1,614,460.80 is: 2,421,381.27
Step by Step Solution
- Step 1: Write the proportion equation
5,400,854.40 : 8,100,244.80 = 1,614,460.80 : x - Step 2: Convert to fraction form
5,400,854.40/8,100,244.80 = 1,614,460.80/x - Step 3: Cross multiply
5,400,854.40x = 8,100,244.80 × 1,614,460.80 - Step 4: Simplify right side
5,400,854.40x = 13,077,527,700,003.84 - Step 5: Solve for x
x = 13,077,527,700,003.84/5,400,854.40 - Step 6: Final answer
x = 2,421,381.27
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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.