Finding the Fourth Proportional to 2,247,121.30, 3,370,681.95 and 828,195.70
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Solution
The fourth proportional to 2,247,121.30, 3,370,681.95 and 828,195.70 is: 1,242,293.55
Step by Step Solution
- Step 1: Write the proportion equation
2,247,121.30 : 3,370,681.95 = 828,195.70 : x - Step 2: Convert to fraction form
2,247,121.30/3,370,681.95 = 828,195.70/x - Step 3: Cross multiply
2,247,121.30x = 3,370,681.95 × 828,195.70 - Step 4: Simplify right side
2,247,121.30x = 2,791,584,297,057.62 - Step 5: Solve for x
x = 2,791,584,297,057.62/2,247,121.30 - Step 6: Final answer
x = 1,242,293.55
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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.