Finding the Fourth Proportional to 2,290,763.50, 3,432,176.21 and 1,390,318.49
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Solution
The fourth proportional to 2,290,763.50, 3,432,176.21 and 1,390,318.49 is: 2,083,068.84
Step by Step Solution
- Step 1: Write the proportion equation
2,290,763.50 : 3,432,176.21 = 1,390,318.49 : x - Step 2: Convert to fraction form
2,290,763.50/3,432,176.21 = 1,390,318.49/x - Step 3: Cross multiply
2,290,763.50x = 3,432,176.21 × 1,390,318.49 - Step 4: Simplify right side
2,290,763.50x = 4,771,818,057,757.36 - Step 5: Solve for x
x = 4,771,818,057,757.36/2,290,763.50 - Step 6: Final answer
x = 2,083,068.84
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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.