Finding the Fourth Proportional to 4,868,544.35, 6,716,959.49 and 2,803,515.57
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Solution
The fourth proportional to 4,868,544.35, 6,716,959.49 and 2,803,515.57 is: 3,867,911.88
Step by Step Solution
- Step 1: Write the proportion equation
4,868,544.35 : 6,716,959.49 = 2,803,515.57 : x - Step 2: Convert to fraction form
4,868,544.35/6,716,959.49 = 2,803,515.57/x - Step 3: Cross multiply
4,868,544.35x = 6,716,959.49 × 2,803,515.57 - Step 4: Simplify right side
4,868,544.35x = 18,831,100,520,283.05 - Step 5: Solve for x
x = 18,831,100,520,283.05/4,868,544.35 - Step 6: Final answer
x = 3,867,911.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.