Finding the Fourth Proportional to 1,388,422, 2,081,835.96 and 546,514.48
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Solution
The fourth proportional to 1,388,422, 2,081,835.96 and 546,514.48 is: 819,457.99
Step by Step Solution
- Step 1: Write the proportion equation
1,388,422 : 2,081,835.96 = 546,514.48 : x - Step 2: Convert to fraction form
1,388,422/2,081,835.96 = 546,514.48/x - Step 3: Cross multiply
1,388,422x = 2,081,835.96 × 546,514.48 - Step 4: Simplify right side
1,388,422x = 1,137,753,497,124.70 - Step 5: Solve for x
x = 1,137,753,497,124.70/1,388,422 - Step 6: Final answer
x = 819,457.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.