Finding the Fourth Proportional to 4,661,742, 6,991,948.71 and 1,466,785.20
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Solution
The fourth proportional to 4,661,742, 6,991,948.71 and 1,466,785.20 is: 2,199,968.79
Step by Step Solution
- Step 1: Write the proportion equation
4,661,742 : 6,991,948.71 = 1,466,785.20 : x - Step 2: Convert to fraction form
4,661,742/6,991,948.71 = 1,466,785.20/x - Step 3: Cross multiply
4,661,742x = 6,991,948.71 × 1,466,785.20 - Step 4: Simplify right side
4,661,742x = 10,255,686,886,987.09 - Step 5: Solve for x
x = 10,255,686,886,987.09/4,661,742 - Step 6: Final answer
x = 2,199,968.79
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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.