Finding the Fourth Proportional to 6,300,688.80, 9,444,812.40 and 3,103,197.60
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Solution
The fourth proportional to 6,300,688.80, 9,444,812.40 and 3,103,197.60 is: 4,651,732.55
Step by Step Solution
- Step 1: Write the proportion equation
6,300,688.80 : 9,444,812.40 = 3,103,197.60 : x - Step 2: Convert to fraction form
6,300,688.80/9,444,812.40 = 3,103,197.60/x - Step 3: Cross multiply
6,300,688.80x = 9,444,812.40 × 3,103,197.60 - Step 4: Simplify right side
6,300,688.80x = 29,309,119,172,130.24 - Step 5: Solve for x
x = 29,309,119,172,130.24/6,300,688.80 - Step 6: Final answer
x = 4,651,732.55
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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.