Finding the Fourth Proportional to 4,257,708.70, 6,386,563.05 and 2,746,054.30
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Solution
The fourth proportional to 4,257,708.70, 6,386,563.05 and 2,746,054.30 is: 4,119,081.45
Step by Step Solution
- Step 1: Write the proportion equation
4,257,708.70 : 6,386,563.05 = 2,746,054.30 : x - Step 2: Convert to fraction form
4,257,708.70/6,386,563.05 = 2,746,054.30/x - Step 3: Cross multiply
4,257,708.70x = 6,386,563.05 × 2,746,054.30 - Step 4: Simplify right side
4,257,708.70x = 17,537,848,925,673.61 - Step 5: Solve for x
x = 17,537,848,925,673.61/4,257,708.70 - Step 6: Final answer
x = 4,119,081.45
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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.