Finding the Fourth Proportional to 1,938,988.62, 2,907,133.83 and 858,914.82
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Solution
The fourth proportional to 1,938,988.62, 2,907,133.83 and 858,914.82 is: 1,287,774.62
Step by Step Solution
- Step 1: Write the proportion equation
1,938,988.62 : 2,907,133.83 = 858,914.82 : x - Step 2: Convert to fraction form
1,938,988.62/2,907,133.83 = 858,914.82/x - Step 3: Cross multiply
1,938,988.62x = 2,907,133.83 × 858,914.82 - Step 4: Simplify right side
1,938,988.62x = 2,496,980,330,310.36 - Step 5: Solve for x
x = 2,496,980,330,310.36/1,938,988.62 - Step 6: Final answer
x = 1,287,774.62
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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.