Finding the Fourth Proportional to 4,257,709.70, 6,386,564.55 and 2,746,055.30
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Solution
The fourth proportional to 4,257,709.70, 6,386,564.55 and 2,746,055.30 is: 4,119,082.95
Step by Step Solution
- Step 1: Write the proportion equation
4,257,709.70 : 6,386,564.55 = 2,746,055.30 : x - Step 2: Convert to fraction form
4,257,709.70/6,386,564.55 = 2,746,055.30/x - Step 3: Cross multiply
4,257,709.70x = 6,386,564.55 × 2,746,055.30 - Step 4: Simplify right side
4,257,709.70x = 17,537,859,431,319.61 - Step 5: Solve for x
x = 17,537,859,431,319.61/4,257,709.70 - Step 6: Final answer
x = 4,119,082.95
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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.