Finding the Fourth Proportional to 4,999,658.96, 6,899,507.90 and 2,794,518.68
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Solution
The fourth proportional to 4,999,658.96, 6,899,507.90 and 2,794,518.68 is: 3,856,423.78
Step by Step Solution
- Step 1: Write the proportion equation
4,999,658.96 : 6,899,507.90 = 2,794,518.68 : x - Step 2: Convert to fraction form
4,999,658.96/6,899,507.90 = 2,794,518.68/x - Step 3: Cross multiply
4,999,658.96x = 6,899,507.90 × 2,794,518.68 - Step 4: Simplify right side
4,999,658.96x = 19,280,803,709,357.57 - Step 5: Solve for x
x = 19,280,803,709,357.57/4,999,658.96 - Step 6: Final answer
x = 3,856,423.78
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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.