Finding the Fourth Proportional to 2,161,457.58, 3,242,182.02 and 2,029,925.94
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Solution
The fourth proportional to 2,161,457.58, 3,242,182.02 and 2,029,925.94 is: 3,044,884.82
Step by Step Solution
- Step 1: Write the proportion equation
2,161,457.58 : 3,242,182.02 = 2,029,925.94 : x - Step 2: Convert to fraction form
2,161,457.58/3,242,182.02 = 2,029,925.94/x - Step 3: Cross multiply
2,161,457.58x = 3,242,182.02 × 2,029,925.94 - Step 4: Simplify right side
2,161,457.58x = 6,581,389,384,599.60 - Step 5: Solve for x
x = 6,581,389,384,599.60/2,161,457.58 - Step 6: Final answer
x = 3,044,884.82
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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.