Finding the Fourth Proportional to 2,984,745.70, 4,477,118.55 and 2,807,598.70
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Solution
The fourth proportional to 2,984,745.70, 4,477,118.55 and 2,807,598.70 is: 4,211,398.05
Step by Step Solution
- Step 1: Write the proportion equation
2,984,745.70 : 4,477,118.55 = 2,807,598.70 : x - Step 2: Convert to fraction form
2,984,745.70/4,477,118.55 = 2,807,598.70/x - Step 3: Cross multiply
2,984,745.70x = 4,477,118.55 × 2,807,598.70 - Step 4: Simplify right side
2,984,745.70x = 12,569,952,220,725.88 - Step 5: Solve for x
x = 12,569,952,220,725.88/2,984,745.70 - Step 6: Final answer
x = 4,211,398.05
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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.