Finding the Fourth Proportional to 2,886,178.60, 4,328,247.30 and 992,479.60
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Solution
The fourth proportional to 2,886,178.60, 4,328,247.30 and 992,479.60 is: 1,488,368.44
Step by Step Solution
- Step 1: Write the proportion equation
2,886,178.60 : 4,328,247.30 = 992,479.60 : x - Step 2: Convert to fraction form
2,886,178.60/4,328,247.30 = 992,479.60/x - Step 3: Cross multiply
2,886,178.60x = 4,328,247.30 × 992,479.60 - Step 4: Simplify right side
2,886,178.60x = 4,295,697,149,005.08 - Step 5: Solve for x
x = 4,295,697,149,005.08/2,886,178.60 - Step 6: Final answer
x = 1,488,368.44
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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.