Finding the Fourth Proportional to 4,176,749.60, 6,265,124.40 and 2,901,291.20
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Solution
The fourth proportional to 4,176,749.60, 6,265,124.40 and 2,901,291.20 is: 4,351,936.80
Step by Step Solution
- Step 1: Write the proportion equation
4,176,749.60 : 6,265,124.40 = 2,901,291.20 : x - Step 2: Convert to fraction form
4,176,749.60/6,265,124.40 = 2,901,291.20/x - Step 3: Cross multiply
4,176,749.60x = 6,265,124.40 × 2,901,291.20 - Step 4: Simplify right side
4,176,749.60x = 18,176,950,288,625.28 - Step 5: Solve for x
x = 18,176,950,288,625.28/4,176,749.60 - Step 6: Final answer
x = 4,351,936.80
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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.