Finding the Fourth Proportional to 4,829,321.21, 6,663,009.78 and 2,894,875.97
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Solution
The fourth proportional to 4,829,321.21, 6,663,009.78 and 2,894,875.97 is: 3,994,057.56
Step by Step Solution
- Step 1: Write the proportion equation
4,829,321.21 : 6,663,009.78 = 2,894,875.97 : x - Step 2: Convert to fraction form
4,829,321.21/6,663,009.78 = 2,894,875.97/x - Step 3: Cross multiply
4,829,321.21x = 6,663,009.78 × 2,894,875.97 - Step 4: Simplify right side
4,829,321.21x = 19,288,586,866,681.94 - Step 5: Solve for x
x = 19,288,586,866,681.94/4,829,321.21 - Step 6: Final answer
x = 3,994,057.56
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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.