Finding the Fourth Proportional to 2,924,201.80, 4,386,302.70 and 2,121,718.60
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Solution
The fourth proportional to 2,924,201.80, 4,386,302.70 and 2,121,718.60 is: 3,182,577.90
Step by Step Solution
- Step 1: Write the proportion equation
2,924,201.80 : 4,386,302.70 = 2,121,718.60 : x - Step 2: Convert to fraction form
2,924,201.80/4,386,302.70 = 2,121,718.60/x - Step 3: Cross multiply
2,924,201.80x = 4,386,302.70 × 2,121,718.60 - Step 4: Simplify right side
2,924,201.80x = 9,306,500,023,820.22 - Step 5: Solve for x
x = 9,306,500,023,820.22/2,924,201.80 - Step 6: Final answer
x = 3,182,577.90
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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.