Finding the Fourth Proportional to 2,948,390.92, 4,422,610.99 and 818,641.12
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Solution
The fourth proportional to 2,948,390.92, 4,422,610.99 and 818,641.12 is: 1,227,968.51
Step by Step Solution
- Step 1: Write the proportion equation
2,948,390.92 : 4,422,610.99 = 818,641.12 : x - Step 2: Convert to fraction form
2,948,390.92/4,422,610.99 = 818,641.12/x - Step 3: Cross multiply
2,948,390.92x = 4,422,610.99 × 818,641.12 - Step 4: Simplify right side
2,948,390.92x = 3,620,531,214,177.91 - Step 5: Solve for x
x = 3,620,531,214,177.91/2,948,390.92 - Step 6: Final answer
x = 1,227,968.51
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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.