Finding the Fourth Proportional to 4,366,289.60, 6,518,733.99 and 3,336,228.98
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Solution
The fourth proportional to 4,366,289.60, 6,518,733.99 and 3,336,228.98 is: 4,980,885.65
Step by Step Solution
- Step 1: Write the proportion equation
4,366,289.60 : 6,518,733.99 = 3,336,228.98 : x - Step 2: Convert to fraction form
4,366,289.60/6,518,733.99 = 3,336,228.98/x - Step 3: Cross multiply
4,366,289.60x = 6,518,733.99 × 3,336,228.98 - Step 4: Simplify right side
4,366,289.60x = 21,747,989,233,667.89 - Step 5: Solve for x
x = 21,747,989,233,667.89/4,366,289.60 - Step 6: Final answer
x = 4,980,885.65
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1.5x scale
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.