Finding the Fourth Proportional to 3,620,602.79, 5,435,650.58 and 2,427,862.20
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Solution
The fourth proportional to 3,620,602.79, 5,435,650.58 and 2,427,862.20 is: 3,644,976.08
Step by Step Solution
- Step 1: Write the proportion equation
3,620,602.79 : 5,435,650.58 = 2,427,862.20 : x - Step 2: Convert to fraction form
3,620,602.79/5,435,650.58 = 2,427,862.20/x - Step 3: Cross multiply
3,620,602.79x = 5,435,650.58 × 2,427,862.20 - Step 4: Simplify right side
3,620,602.79x = 13,197,010,575,590.08 - Step 5: Solve for x
x = 13,197,010,575,590.08/3,620,602.79 - Step 6: Final answer
x = 3,644,976.08
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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.