Finding the Fourth Proportional to 4,220,854.89, 6,331,284.75 and 2,964,292.17
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Solution
The fourth proportional to 4,220,854.89, 6,331,284.75 and 2,964,292.17 is: 4,446,439.95
Step by Step Solution
- Step 1: Write the proportion equation
4,220,854.89 : 6,331,284.75 = 2,964,292.17 : x - Step 2: Convert to fraction form
4,220,854.89/6,331,284.75 = 2,964,292.17/x - Step 3: Cross multiply
4,220,854.89x = 6,331,284.75 × 2,964,292.17 - Step 4: Simplify right side
4,220,854.89x = 18,767,777,810,465.41 - Step 5: Solve for x
x = 18,767,777,810,465.41/4,220,854.89 - Step 6: Final answer
x = 4,446,439.95
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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.