Finding the Fourth Proportional to 4,206,145.68, 5,804,483.76 and 2,272,405.20
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Solution
The fourth proportional to 4,206,145.68, 5,804,483.76 and 2,272,405.20 is: 3,135,920.65
Step by Step Solution
- Step 1: Write the proportion equation
4,206,145.68 : 5,804,483.76 = 2,272,405.20 : x - Step 2: Convert to fraction form
4,206,145.68/5,804,483.76 = 2,272,405.20/x - Step 3: Cross multiply
4,206,145.68x = 5,804,483.76 × 2,272,405.20 - Step 4: Simplify right side
4,206,145.68x = 13,190,139,079,539.55 - Step 5: Solve for x
x = 13,190,139,079,539.55/4,206,145.68 - Step 6: Final answer
x = 3,135,920.65
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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.