Finding the Fourth Proportional to 1,890,478.19, 2,835,702.70 and 470,524.70
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Solution
The fourth proportional to 1,890,478.19, 2,835,702.70 and 470,524.70 is: 705,783.42
Step by Step Solution
- Step 1: Write the proportion equation
1,890,478.19 : 2,835,702.70 = 470,524.70 : x - Step 2: Convert to fraction form
1,890,478.19/2,835,702.70 = 470,524.70/x - Step 3: Cross multiply
1,890,478.19x = 2,835,702.70 × 470,524.70 - Step 4: Simplify right side
1,890,478.19x = 1,334,268,159,250.22 - Step 5: Solve for x
x = 1,334,268,159,250.22/1,890,478.19 - Step 6: Final answer
x = 705,783.42
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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.