Finding the Fourth Proportional to 4,220,890.76, 6,331,338.51 and 2,964,328.04
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Solution
The fourth proportional to 4,220,890.76, 6,331,338.51 and 2,964,328.04 is: 4,446,493.72
Step by Step Solution
- Step 1: Write the proportion equation
4,220,890.76 : 6,331,338.51 = 2,964,328.04 : x - Step 2: Convert to fraction form
4,220,890.76/6,331,338.51 = 2,964,328.04/x - Step 3: Cross multiply
4,220,890.76x = 6,331,338.51 × 2,964,328.04 - Step 4: Simplify right side
4,220,890.76x = 18,768,164,280,636.93 - Step 5: Solve for x
x = 18,768,164,280,636.93/4,220,890.76 - Step 6: Final answer
x = 4,446,493.72
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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.