Finding the Fourth Proportional to 3,219,140.88, 4,442,393.16 and 1,768,852.08
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Solution
The fourth proportional to 3,219,140.88, 4,442,393.16 and 1,768,852.08 is: 2,441,004.19
Step by Step Solution
- Step 1: Write the proportion equation
3,219,140.88 : 4,442,393.16 = 1,768,852.08 : x - Step 2: Convert to fraction form
3,219,140.88/4,442,393.16 = 1,768,852.08/x - Step 3: Cross multiply
3,219,140.88x = 4,442,393.16 × 1,768,852.08 - Step 4: Simplify right side
3,219,140.88x = 7,857,936,381,243.77 - Step 5: Solve for x
x = 7,857,936,381,243.77/3,219,140.88 - Step 6: Final answer
x = 2,441,004.19
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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.