Finding the Fourth Proportional to 5,368,671.94, 7,408,657.26 and 2,921,331.46
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Solution
The fourth proportional to 5,368,671.94, 7,408,657.26 and 2,921,331.46 is: 4,031,377.55
Step by Step Solution
- Step 1: Write the proportion equation
5,368,671.94 : 7,408,657.26 = 2,921,331.46 : x - Step 2: Convert to fraction form
5,368,671.94/7,408,657.26 = 2,921,331.46/x - Step 3: Cross multiply
5,368,671.94x = 7,408,657.26 × 2,921,331.46 - Step 4: Simplify right side
5,368,671.94x = 21,643,143,529,995.40 - Step 5: Solve for x
x = 21,643,143,529,995.40/5,368,671.94 - Step 6: Final answer
x = 4,031,377.55
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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.