Finding the Fourth Proportional to 1,787,043.36, 2,466,138.72 and 971,247.12
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Solution
The fourth proportional to 1,787,043.36, 2,466,138.72 and 971,247.12 is: 1,340,331.29
Step by Step Solution
- Step 1: Write the proportion equation
1,787,043.36 : 2,466,138.72 = 971,247.12 : x - Step 2: Convert to fraction form
1,787,043.36/2,466,138.72 = 971,247.12/x - Step 3: Cross multiply
1,787,043.36x = 2,466,138.72 × 971,247.12 - Step 4: Simplify right side
1,787,043.36x = 2,395,230,129,320.49 - Step 5: Solve for x
x = 2,395,230,129,320.49/1,787,043.36 - Step 6: Final answer
x = 1,340,331.29
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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.