Finding the Fourth Proportional to 4,366,378.70, 6,549,568.05 and 2,772,055.70
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Solution
The fourth proportional to 4,366,378.70, 6,549,568.05 and 2,772,055.70 is: 4,158,083.55
Step by Step Solution
- Step 1: Write the proportion equation
4,366,378.70 : 6,549,568.05 = 2,772,055.70 : x - Step 2: Convert to fraction form
4,366,378.70/6,549,568.05 = 2,772,055.70/x - Step 3: Cross multiply
4,366,378.70x = 6,549,568.05 × 2,772,055.70 - Step 4: Simplify right side
4,366,378.70x = 18,155,767,445,540.39 - Step 5: Solve for x
x = 18,155,767,445,540.39/4,366,378.70 - Step 6: Final answer
x = 4,158,083.55
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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.