Finding the Fourth Proportional to 2,085,964.95, 3,129,435.41 and 646,572.98
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Solution
The fourth proportional to 2,085,964.95, 3,129,435.41 and 646,572.98 is: 970,010.73
Step by Step Solution
- Step 1: Write the proportion equation
2,085,964.95 : 3,129,435.41 = 646,572.98 : x - Step 2: Convert to fraction form
2,085,964.95/3,129,435.41 = 646,572.98/x - Step 3: Cross multiply
2,085,964.95x = 3,129,435.41 × 646,572.98 - Step 4: Simplify right side
2,085,964.95x = 2,023,408,383,351.95 - Step 5: Solve for x
x = 2,023,408,383,351.95/2,085,964.95 - Step 6: Final answer
x = 970,010.73
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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.