Finding the Fourth Proportional to 4,671,203.40, 6,998,510.70 and 2,896,201.80
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Solution
The fourth proportional to 4,671,203.40, 6,998,510.70 and 2,896,201.80 is: 4,339,160.07
Step by Step Solution
- Step 1: Write the proportion equation
4,671,203.40 : 6,998,510.70 = 2,896,201.80 : x - Step 2: Convert to fraction form
4,671,203.40/6,998,510.70 = 2,896,201.80/x - Step 3: Cross multiply
4,671,203.40x = 6,998,510.70 × 2,896,201.80 - Step 4: Simplify right side
4,671,203.40x = 20,269,099,286,659.26 - Step 5: Solve for x
x = 20,269,099,286,659.26/4,671,203.40 - Step 6: Final answer
x = 4,339,160.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.