Finding the Fourth Proportional to 2,123,526.62, 3,184,114.88 and 842,836.70
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Solution
The fourth proportional to 2,123,526.62, 3,184,114.88 and 842,836.70 is: 1,263,788.66
Step by Step Solution
- Step 1: Write the proportion equation
2,123,526.62 : 3,184,114.88 = 842,836.70 : x - Step 2: Convert to fraction form
2,123,526.62/3,184,114.88 = 842,836.70/x - Step 3: Cross multiply
2,123,526.62x = 3,184,114.88 × 842,836.70 - Step 4: Simplify right side
2,123,526.62x = 2,683,688,864,066.61 - Step 5: Solve for x
x = 2,683,688,864,066.61/2,123,526.62 - Step 6: Final answer
x = 1,263,788.66
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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.