Finding the Fourth Proportional to 2,790,542.74, 3,850,989.38 and 1,567,113.08
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Solution
The fourth proportional to 2,790,542.74, 3,850,989.38 and 1,567,113.08 is: 2,162,638.74
Step by Step Solution
- Step 1: Write the proportion equation
2,790,542.74 : 3,850,989.38 = 1,567,113.08 : x - Step 2: Convert to fraction form
2,790,542.74/3,850,989.38 = 1,567,113.08/x - Step 3: Cross multiply
2,790,542.74x = 3,850,989.38 × 1,567,113.08 - Step 4: Simplify right side
2,790,542.74x = 6,034,935,828,339.09 - Step 5: Solve for x
x = 6,034,935,828,339.09/2,790,542.74 - Step 6: Final answer
x = 2,162,638.74
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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.