Finding the Fourth Proportional to 2,566,718.98, 3,853,863.36 and 1,431,698.80
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Solution
The fourth proportional to 2,566,718.98, 3,853,863.36 and 1,431,698.80 is: 2,149,659.39
Step by Step Solution
- Step 1: Write the proportion equation
2,566,718.98 : 3,853,863.36 = 1,431,698.80 : x - Step 2: Convert to fraction form
2,566,718.98/3,853,863.36 = 1,431,698.80/x - Step 3: Cross multiply
2,566,718.98x = 3,853,863.36 × 1,431,698.80 - Step 4: Simplify right side
2,566,718.98x = 5,517,571,547,875.97 - Step 5: Solve for x
x = 5,517,571,547,875.97/2,566,718.98 - Step 6: Final answer
x = 2,149,659.39
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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.