Finding the Fourth Proportional to 2,301,020.40, 3,175,516.27 and 1,282,432.44
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Solution
The fourth proportional to 2,301,020.40, 3,175,516.27 and 1,282,432.44 is: 1,769,817.02
Step by Step Solution
- Step 1: Write the proportion equation
2,301,020.40 : 3,175,516.27 = 1,282,432.44 : x - Step 2: Convert to fraction form
2,301,020.40/3,175,516.27 = 1,282,432.44/x - Step 3: Cross multiply
2,301,020.40x = 3,175,516.27 × 1,282,432.44 - Step 4: Simplify right side
2,301,020.40x = 4,072,385,063,281.53 - Step 5: Solve for x
x = 4,072,385,063,281.53/2,301,020.40 - Step 6: Final answer
x = 1,769,817.02
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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.