Finding the Fourth Proportional to 2,688,698.39, 4,029,193.06 and 2,150,582.02
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Solution
The fourth proportional to 2,688,698.39, 4,029,193.06 and 2,150,582.02 is: 3,222,789.95
Step by Step Solution
- Step 1: Write the proportion equation
2,688,698.39 : 4,029,193.06 = 2,150,582.02 : x - Step 2: Convert to fraction form
2,688,698.39/4,029,193.06 = 2,150,582.02/x - Step 3: Cross multiply
2,688,698.39x = 4,029,193.06 × 2,150,582.02 - Step 4: Simplify right side
2,688,698.39x = 8,665,110,134,495.34 - Step 5: Solve for x
x = 8,665,110,134,495.34/2,688,698.39 - Step 6: Final answer
x = 3,222,789.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.