Finding the Fourth Proportional to 3,495,776.70, 5,234,807.70 and 2,787,188.70
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Solution
The fourth proportional to 3,495,776.70, 5,234,807.70 and 2,787,188.70 is: 4,173,721.07
Step by Step Solution
- Step 1: Write the proportion equation
3,495,776.70 : 5,234,807.70 = 2,787,188.70 : x - Step 2: Convert to fraction form
3,495,776.70/5,234,807.70 = 2,787,188.70/x - Step 3: Cross multiply
3,495,776.70x = 5,234,807.70 × 2,787,188.70 - Step 4: Simplify right side
3,495,776.70x = 14,590,396,868,112.99 - Step 5: Solve for x
x = 14,590,396,868,112.99/3,495,776.70 - Step 6: Final answer
x = 4,173,721.07
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1.5x scale
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.