Finding the Fourth Proportional to 6,402,930.21, 8,836,070.12 and 3,462,747.23
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Solution
The fourth proportional to 6,402,930.21, 8,836,070.12 and 3,462,747.23 is: 4,778,605.48
Step by Step Solution
- Step 1: Write the proportion equation
6,402,930.21 : 8,836,070.12 = 3,462,747.23 : x - Step 2: Convert to fraction form
6,402,930.21/8,836,070.12 = 3,462,747.23/x - Step 3: Cross multiply
6,402,930.21x = 8,836,070.12 × 3,462,747.23 - Step 4: Simplify right side
6,402,930.21x = 30,597,077,382,676.77 - Step 5: Solve for x
x = 30,597,077,382,676.77/6,402,930.21 - Step 6: Final answer
x = 4,778,605.48
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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.