Finding the Fourth Proportional to 3,646,776.68, 5,470,235.49 and 1,122,429.50
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Solution
The fourth proportional to 3,646,776.68, 5,470,235.49 and 1,122,429.50 is: 1,683,665.94
Step by Step Solution
- Step 1: Write the proportion equation
3,646,776.68 : 5,470,235.49 = 1,122,429.50 : x - Step 2: Convert to fraction form
3,646,776.68/5,470,235.49 = 1,122,429.50/x - Step 3: Cross multiply
3,646,776.68x = 5,470,235.49 × 1,122,429.50 - Step 4: Simplify right side
3,646,776.68x = 6,139,953,685,922.96 - Step 5: Solve for x
x = 6,139,953,685,922.96/3,646,776.68 - Step 6: Final answer
x = 1,683,665.94
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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.