Finding the Fourth Proportional to 2,918,519.57, 4,358,618.49 and 2,487,461.87
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Solution
The fourth proportional to 2,918,519.57, 4,358,618.49 and 2,487,461.87 is: 3,714,861.95
Step by Step Solution
- Step 1: Write the proportion equation
2,918,519.57 : 4,358,618.49 = 2,487,461.87 : x - Step 2: Convert to fraction form
2,918,519.57/4,358,618.49 = 2,487,461.87/x - Step 3: Cross multiply
2,918,519.57x = 4,358,618.49 × 2,487,461.87 - Step 4: Simplify right side
2,918,519.57x = 10,841,897,277,958.88 - Step 5: Solve for x
x = 10,841,897,277,958.88/2,918,519.57 - Step 6: Final answer
x = 3,714,861.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.