Finding the Fourth Proportional to 4,029,984.99, 5,559,580.08 and 2,722,815.09
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Solution
The fourth proportional to 4,029,984.99, 5,559,580.08 and 2,722,815.09 is: 3,756,269.21
Step by Step Solution
- Step 1: Write the proportion equation
4,029,984.99 : 5,559,580.08 = 2,722,815.09 : x - Step 2: Convert to fraction form
4,029,984.99/5,559,580.08 = 2,722,815.09/x - Step 3: Cross multiply
4,029,984.99x = 5,559,580.08 × 2,722,815.09 - Step 4: Simplify right side
4,029,984.99x = 15,137,708,535,887.41 - Step 5: Solve for x
x = 15,137,708,535,887.41/4,029,984.99 - Step 6: Final answer
x = 3,756,269.21
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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.