Finding the Fourth Proportional to 2,948,386.80, 4,422,604.80 and 818,636.99
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Solution
The fourth proportional to 2,948,386.80, 4,422,604.80 and 818,636.99 is: 1,227,962.32
Step by Step Solution
- Step 1: Write the proportion equation
2,948,386.80 : 4,422,604.80 = 818,636.99 : x - Step 2: Convert to fraction form
2,948,386.80/4,422,604.80 = 818,636.99/x - Step 3: Cross multiply
2,948,386.80x = 4,422,604.80 × 818,636.99 - Step 4: Simplify right side
2,948,386.80x = 3,620,507,881,431.55 - Step 5: Solve for x
x = 3,620,507,881,431.55/2,948,386.80 - Step 6: Final answer
x = 1,227,962.32
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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.