Finding the Fourth Proportional to 2,487,088.60, 3,731,284.85 and 781,162.99
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Solution
The fourth proportional to 2,487,088.60, 3,731,284.85 and 781,162.99 is: 1,171,949.25
Step by Step Solution
- Step 1: Write the proportion equation
2,487,088.60 : 3,731,284.85 = 781,162.99 : x - Step 2: Convert to fraction form
2,487,088.60/3,731,284.85 = 781,162.99/x - Step 3: Cross multiply
2,487,088.60x = 3,731,284.85 × 781,162.99 - Step 4: Simplify right side
2,487,088.60x = 2,914,741,616,733.68 - Step 5: Solve for x
x = 2,914,741,616,733.68/2,487,088.60 - Step 6: Final answer
x = 1,171,949.25
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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.