Finding the Fourth Proportional to 4,941,647.70, 7,412,471.55 and 1,750,377.30
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Solution
The fourth proportional to 4,941,647.70, 7,412,471.55 and 1,750,377.30 is: 2,625,565.95
Step by Step Solution
- Step 1: Write the proportion equation
4,941,647.70 : 7,412,471.55 = 1,750,377.30 : x - Step 2: Convert to fraction form
4,941,647.70/7,412,471.55 = 1,750,377.30/x - Step 3: Cross multiply
4,941,647.70x = 7,412,471.55 × 1,750,377.30 - Step 4: Simplify right side
4,941,647.70x = 12,974,621,938,015.81 - Step 5: Solve for x
x = 12,974,621,938,015.81/4,941,647.70 - Step 6: Final answer
x = 2,625,565.95
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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.