Finding the Fourth Proportional to 2,137,863.60, 2,950,251.12 and 1,171,054.08
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Solution
The fourth proportional to 2,137,863.60, 2,950,251.12 and 1,171,054.08 is: 1,616,054.28
Step by Step Solution
- Step 1: Write the proportion equation
2,137,863.60 : 2,950,251.12 = 1,171,054.08 : x - Step 2: Convert to fraction form
2,137,863.60/2,950,251.12 = 1,171,054.08/x - Step 3: Cross multiply
2,137,863.60x = 2,950,251.12 × 1,171,054.08 - Step 4: Simplify right side
2,137,863.60x = 3,454,903,611,100.57 - Step 5: Solve for x
x = 3,454,903,611,100.57/2,137,863.60 - Step 6: Final answer
x = 1,616,054.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.