Finding the Fourth Proportional to 6,625,890.63, 9,939,058.29 and 1,833,178.55
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Solution
The fourth proportional to 6,625,890.63, 9,939,058.29 and 1,833,178.55 is: 2,749,829.33
Step by Step Solution
- Step 1: Write the proportion equation
6,625,890.63 : 9,939,058.29 = 1,833,178.55 : x - Step 2: Convert to fraction form
6,625,890.63/9,939,058.29 = 1,833,178.55/x - Step 3: Cross multiply
6,625,890.63x = 9,939,058.29 × 1,833,178.55 - Step 4: Simplify right side
6,625,890.63x = 18,220,068,414,732.39 - Step 5: Solve for x
x = 18,220,068,414,732.39/6,625,890.63 - Step 6: Final answer
x = 2,749,829.33
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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.