Finding the Fourth Proportional to 4,042,992.63, 5,579,254.99 and 2,300,623.40
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Solution
The fourth proportional to 4,042,992.63, 5,579,254.99 and 2,300,623.40 is: 3,174,817.71
Step by Step Solution
- Step 1: Write the proportion equation
4,042,992.63 : 5,579,254.99 = 2,300,623.40 : x - Step 2: Convert to fraction form
4,042,992.63/5,579,254.99 = 2,300,623.40/x - Step 3: Cross multiply
4,042,992.63x = 5,579,254.99 × 2,300,623.40 - Step 4: Simplify right side
4,042,992.63x = 12,835,764,584,560.77 - Step 5: Solve for x
x = 12,835,764,584,560.77/4,042,992.63 - Step 6: Final answer
x = 3,174,817.71
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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.