Finding the Fourth Proportional to 2,657,185.76, 3,665,279.76 and 1,893,486.08
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Solution
The fourth proportional to 2,657,185.76, 3,665,279.76 and 1,893,486.08 is: 2,611,844.57
Step by Step Solution
- Step 1: Write the proportion equation
2,657,185.76 : 3,665,279.76 = 1,893,486.08 : x - Step 2: Convert to fraction form
2,657,185.76/3,665,279.76 = 1,893,486.08/x - Step 3: Cross multiply
2,657,185.76x = 3,665,279.76 × 1,893,486.08 - Step 4: Simplify right side
2,657,185.76x = 6,940,156,204,865.74 - Step 5: Solve for x
x = 6,940,156,204,865.74/2,657,185.76 - Step 6: Final answer
x = 2,611,844.57
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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.