Finding the Fourth Proportional to 5,423,661.96, 7,484,766.36 and 2,976,130.12
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Solution
The fourth proportional to 5,423,661.96, 7,484,766.36 and 2,976,130.12 is: 4,107,121.49
Step by Step Solution
- Step 1: Write the proportion equation
5,423,661.96 : 7,484,766.36 = 2,976,130.12 : x - Step 2: Convert to fraction form
5,423,661.96/7,484,766.36 = 2,976,130.12/x - Step 3: Cross multiply
5,423,661.96x = 7,484,766.36 × 2,976,130.12 - Step 4: Simplify right side
5,423,661.96x = 22,275,638,622,926.60 - Step 5: Solve for x
x = 22,275,638,622,926.60/5,423,661.96 - Step 6: Final answer
x = 4,107,121.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.