Finding the Fourth Proportional to 3,646,913.80, 5,470,604.10 and 1,403,051.80
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Solution
The fourth proportional to 3,646,913.80, 5,470,604.10 and 1,403,051.80 is: 2,104,667.49
Step by Step Solution
- Step 1: Write the proportion equation
3,646,913.80 : 5,470,604.10 = 1,403,051.80 : x - Step 2: Convert to fraction form
3,646,913.80/5,470,604.10 = 1,403,051.80/x - Step 3: Cross multiply
3,646,913.80x = 5,470,604.10 × 1,403,051.80 - Step 4: Simplify right side
3,646,913.80x = 7,675,540,929,592.38 - Step 5: Solve for x
x = 7,675,540,929,592.38/3,646,913.80 - Step 6: Final answer
x = 2,104,667.49
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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.