Finding the Fourth Proportional to 2,578,946.08, 3,558,874.88 and 1,432,996.96
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Solution
The fourth proportional to 2,578,946.08, 3,558,874.88 and 1,432,996.96 is: 1,977,496.51
Step by Step Solution
- Step 1: Write the proportion equation
2,578,946.08 : 3,558,874.88 = 1,432,996.96 : x - Step 2: Convert to fraction form
2,578,946.08/3,558,874.88 = 1,432,996.96/x - Step 3: Cross multiply
2,578,946.08x = 3,558,874.88 × 1,432,996.96 - Step 4: Simplify right side
2,578,946.08x = 5,099,856,884,060.36 - Step 5: Solve for x
x = 5,099,856,884,060.36/2,578,946.08 - Step 6: Final answer
x = 1,977,496.51
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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.