Finding the Fourth Proportional to 2,982,983.74, 4,471,005.09 and 1,704,487.45
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Solution
The fourth proportional to 2,982,983.74, 4,471,005.09 and 1,704,487.45 is: 2,554,748.11
Step by Step Solution
- Step 1: Write the proportion equation
2,982,983.74 : 4,471,005.09 = 1,704,487.45 : x - Step 2: Convert to fraction form
2,982,983.74/4,471,005.09 = 1,704,487.45/x - Step 3: Cross multiply
2,982,983.74x = 4,471,005.09 × 1,704,487.45 - Step 4: Simplify right side
2,982,983.74x = 7,620,772,064,791.12 - Step 5: Solve for x
x = 7,620,772,064,791.12/2,982,983.74 - Step 6: Final answer
x = 2,554,748.11
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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.