Finding the Fourth Proportional to 7,174,509.99, 10,762,289.93 and 2,914,758.87
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Solution
The fourth proportional to 7,174,509.99, 10,762,289.93 and 2,914,758.87 is: 4,372,351.57
Step by Step Solution
- Step 1: Write the proportion equation
7,174,509.99 : 10,762,289.93 = 2,914,758.87 : x - Step 2: Convert to fraction form
7,174,509.99/10,762,289.93 = 2,914,758.87/x - Step 3: Cross multiply
7,174,509.99x = 10,762,289.93 × 2,914,758.87 - Step 4: Simplify right side
7,174,509.99x = 31,369,480,020,405.39 - Step 5: Solve for x
x = 31,369,480,020,405.39/7,174,509.99 - Step 6: Final answer
x = 4,372,351.57
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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.