Finding the Fourth Proportional to 3,212,924.84, 4,434,488.98 and 2,180,765.24
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Solution
The fourth proportional to 3,212,924.84, 4,434,488.98 and 2,180,765.24 is: 3,009,899.06
Step by Step Solution
- Step 1: Write the proportion equation
3,212,924.84 : 4,434,488.98 = 2,180,765.24 : x - Step 2: Convert to fraction form
3,212,924.84/4,434,488.98 = 2,180,765.24/x - Step 3: Cross multiply
3,212,924.84x = 4,434,488.98 × 2,180,765.24 - Step 4: Simplify right side
3,212,924.84x = 9,670,579,438,696.03 - Step 5: Solve for x
x = 9,670,579,438,696.03/3,212,924.84 - Step 6: Final answer
x = 3,009,899.06
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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.