Finding the Fourth Proportional to 2,199,335.74, 3,295,968.12 and 1,587,242.11
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Solution
The fourth proportional to 2,199,335.74, 3,295,968.12 and 1,587,242.11 is: 2,378,672.48
Step by Step Solution
- Step 1: Write the proportion equation
2,199,335.74 : 3,295,968.12 = 1,587,242.11 : x - Step 2: Convert to fraction form
2,199,335.74/3,295,968.12 = 1,587,242.11/x - Step 3: Cross multiply
2,199,335.74x = 3,295,968.12 × 1,587,242.11 - Step 4: Simplify right side
2,199,335.74x = 5,231,499,385,041.61 - Step 5: Solve for x
x = 5,231,499,385,041.61/2,199,335.74 - Step 6: Final answer
x = 2,378,672.48
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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.