Finding the Fourth Proportional to 4,914,683.62, 6,782,294.90 and 2,739,364.90
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Solution
The fourth proportional to 4,914,683.62, 6,782,294.90 and 2,739,364.90 is: 3,780,341.12
Step by Step Solution
- Step 1: Write the proportion equation
4,914,683.62 : 6,782,294.90 = 2,739,364.90 : x - Step 2: Convert to fraction form
4,914,683.62/6,782,294.90 = 2,739,364.90/x - Step 3: Cross multiply
4,914,683.62x = 6,782,294.90 × 2,739,364.90 - Step 4: Simplify right side
4,914,683.62x = 18,579,180,590,509.01 - Step 5: Solve for x
x = 18,579,180,590,509.01/4,914,683.62 - Step 6: Final answer
x = 3,780,341.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.