Finding the Fourth Proportional to 2,213,972.79, 3,054,876.57 and 1,246,895.97
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Solution
The fourth proportional to 2,213,972.79, 3,054,876.57 and 1,246,895.97 is: 1,720,487.85
Step by Step Solution
- Step 1: Write the proportion equation
2,213,972.79 : 3,054,876.57 = 1,246,895.97 : x - Step 2: Convert to fraction form
2,213,972.79/3,054,876.57 = 1,246,895.97/x - Step 3: Cross multiply
2,213,972.79x = 3,054,876.57 × 1,246,895.97 - Step 4: Simplify right side
2,213,972.79x = 3,809,113,283,980.42 - Step 5: Solve for x
x = 3,809,113,283,980.42/2,213,972.79 - Step 6: Final answer
x = 1,720,487.85
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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.