Finding the Fourth Proportional to 1,864,918.74, 2,573,562.17 and 1,049,122.18
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Solution
The fourth proportional to 1,864,918.74, 2,573,562.17 and 1,049,122.18 is: 1,447,774.15
Step by Step Solution
- Step 1: Write the proportion equation
1,864,918.74 : 2,573,562.17 = 1,049,122.18 : x - Step 2: Convert to fraction form
1,864,918.74/2,573,562.17 = 1,049,122.18/x - Step 3: Cross multiply
1,864,918.74x = 2,573,562.17 × 1,049,122.18 - Step 4: Simplify right side
1,864,918.74x = 2,699,981,145,519.40 - Step 5: Solve for x
x = 2,699,981,145,519.40/1,864,918.74 - Step 6: Final answer
x = 1,447,774.15
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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.