Finding the Fourth Proportional to 2,859,371.84, 3,945,933.09 and 1,570,233.75
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Solution
The fourth proportional to 2,859,371.84, 3,945,933.09 and 1,570,233.75 is: 2,166,922.55
Step by Step Solution
- Step 1: Write the proportion equation
2,859,371.84 : 3,945,933.09 = 1,570,233.75 : x - Step 2: Convert to fraction form
2,859,371.84/3,945,933.09 = 1,570,233.75/x - Step 3: Cross multiply
2,859,371.84x = 3,945,933.09 × 1,570,233.75 - Step 4: Simplify right side
2,859,371.84x = 6,196,037,313,159.79 - Step 5: Solve for x
x = 6,196,037,313,159.79/2,859,371.84 - Step 6: Final answer
x = 2,166,922.55
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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.