Finding the Fourth Proportional to 2,175,474.08, 3,002,207.62 and 1,195,405.12
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Solution
The fourth proportional to 2,175,474.08, 3,002,207.62 and 1,195,405.12 is: 1,649,688.40
Step by Step Solution
- Step 1: Write the proportion equation
2,175,474.08 : 3,002,207.62 = 1,195,405.12 : x - Step 2: Convert to fraction form
2,175,474.08/3,002,207.62 = 1,195,405.12/x - Step 3: Cross multiply
2,175,474.08x = 3,002,207.62 × 1,195,405.12 - Step 4: Simplify right side
2,175,474.08x = 3,588,854,360,251.01 - Step 5: Solve for x
x = 3,588,854,360,251.01/2,175,474.08 - Step 6: Final answer
x = 1,649,688.40
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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.