Finding the Fourth Proportional to 3,939,615.36, 5,909,423.36 and 947,799.36
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Solution
The fourth proportional to 3,939,615.36, 5,909,423.36 and 947,799.36 is: 1,421,699.12
Step by Step Solution
- Step 1: Write the proportion equation
3,939,615.36 : 5,909,423.36 = 947,799.36 : x - Step 2: Convert to fraction form
3,939,615.36/5,909,423.36 = 947,799.36/x - Step 3: Cross multiply
3,939,615.36x = 5,909,423.36 × 947,799.36 - Step 4: Simplify right side
3,939,615.36x = 5,600,947,678,577.05 - Step 5: Solve for x
x = 5,600,947,678,577.05/3,939,615.36 - Step 6: Final answer
x = 1,421,699.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.