Finding the Fourth Proportional to 4,432,740.28, 6,649,487.58 and 1,399,294.60
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Solution
The fourth proportional to 4,432,740.28, 6,649,487.58 and 1,399,294.60 is: 2,099,060.96
Step by Step Solution
- Step 1: Write the proportion equation
4,432,740.28 : 6,649,487.58 = 1,399,294.60 : x - Step 2: Convert to fraction form
4,432,740.28/6,649,487.58 = 1,399,294.60/x - Step 3: Cross multiply
4,432,740.28x = 6,649,487.58 × 1,399,294.60 - Step 4: Simplify right side
4,432,740.28x = 9,304,592,063,461.07 - Step 5: Solve for x
x = 9,304,592,063,461.07/4,432,740.28 - Step 6: Final answer
x = 2,099,060.96
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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.