Finding the Fourth Proportional to 4,276,641.35, 6,415,919.45 and 1,436,676.05
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Solution
The fourth proportional to 4,276,641.35, 6,415,919.45 and 1,436,676.05 is: 2,155,335.71
Step by Step Solution
- Step 1: Write the proportion equation
4,276,641.35 : 6,415,919.45 = 1,436,676.05 : x - Step 2: Convert to fraction form
4,276,641.35/6,415,919.45 = 1,436,676.05/x - Step 3: Cross multiply
4,276,641.35x = 6,415,919.45 × 1,436,676.05 - Step 4: Simplify right side
4,276,641.35x = 9,217,597,826,788.13 - Step 5: Solve for x
x = 9,217,597,826,788.13/4,276,641.35 - Step 6: Final answer
x = 2,155,335.71
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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.