Finding the Fourth Proportional to 5,212,225.40, 7,192,866.24 and 2,920,402.50
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Solution
The fourth proportional to 5,212,225.40, 7,192,866.24 and 2,920,402.50 is: 4,030,152.75
Step by Step Solution
- Step 1: Write the proportion equation
5,212,225.40 : 7,192,866.24 = 2,920,402.50 : x - Step 2: Convert to fraction form
5,212,225.40/7,192,866.24 = 2,920,402.50/x - Step 3: Cross multiply
5,212,225.40x = 7,192,866.24 × 2,920,402.50 - Step 4: Simplify right side
5,212,225.40x = 21,006,064,549,461.60 - Step 5: Solve for x
x = 21,006,064,549,461.60/5,212,225.40 - Step 6: Final answer
x = 4,030,152.75
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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.