Finding the Fourth Proportional to 2,878,212, 3,972,399.12 and 1,671,687.84
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Solution
The fourth proportional to 2,878,212, 3,972,399.12 and 1,671,687.84 is: 2,307,200.20
Step by Step Solution
- Step 1: Write the proportion equation
2,878,212 : 3,972,399.12 = 1,671,687.84 : x - Step 2: Convert to fraction form
2,878,212/3,972,399.12 = 1,671,687.84/x - Step 3: Cross multiply
2,878,212x = 3,972,399.12 × 1,671,687.84 - Step 4: Simplify right side
2,878,212x = 6,640,611,304,530.70 - Step 5: Solve for x
x = 6,640,611,304,530.70/2,878,212 - Step 6: Final answer
x = 2,307,200.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.