Finding the Fourth Proportional to 2,408,203.12, 3,323,357.76 and 1,320,574
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Solution
The fourth proportional to 2,408,203.12, 3,323,357.76 and 1,320,574 is: 1,822,412.66
Step by Step Solution
- Step 1: Write the proportion equation
2,408,203.12 : 3,323,357.76 = 1,320,574 : x - Step 2: Convert to fraction form
2,408,203.12/3,323,357.76 = 1,320,574/x - Step 3: Cross multiply
2,408,203.12x = 3,323,357.76 × 1,320,574 - Step 4: Simplify right side
2,408,203.12x = 4,388,739,850,554.24 - Step 5: Solve for x
x = 4,388,739,850,554.24/2,408,203.12 - Step 6: Final answer
x = 1,822,412.66
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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.