Finding the Fourth Proportional to 5,395,445.37, 7,445,493.03 and 2,948,140.42
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Solution
The fourth proportional to 5,395,445.37, 7,445,493.03 and 2,948,140.42 is: 4,068,312.71
Step by Step Solution
- Step 1: Write the proportion equation
5,395,445.37 : 7,445,493.03 = 2,948,140.42 : x - Step 2: Convert to fraction form
5,395,445.37/7,445,493.03 = 2,948,140.42/x - Step 3: Cross multiply
5,395,445.37x = 7,445,493.03 × 2,948,140.42 - Step 4: Simplify right side
5,395,445.37x = 21,950,358,948,571.27 - Step 5: Solve for x
x = 21,950,358,948,571.27/5,395,445.37 - Step 6: Final answer
x = 4,068,312.71
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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.