Finding the Fourth Proportional to 5,249,866.99, 7,883,344.11 and 3,240,881.60
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Solution
The fourth proportional to 5,249,866.99, 7,883,344.11 and 3,240,881.60 is: 4,866,596.60
Step by Step Solution
- Step 1: Write the proportion equation
5,249,866.99 : 7,883,344.11 = 3,240,881.60 : x - Step 2: Convert to fraction form
5,249,866.99/7,883,344.11 = 3,240,881.60/x - Step 3: Cross multiply
5,249,866.99x = 7,883,344.11 × 3,240,881.60 - Step 4: Simplify right side
5,249,866.99x = 25,548,984,816,946.25 - Step 5: Solve for x
x = 25,548,984,816,946.25/5,249,866.99 - Step 6: Final answer
x = 4,866,596.60
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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.