Finding the Fourth Proportional to 2,912,518.70, 4,368,000.45 and 1,019,062.70
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Solution
The fourth proportional to 2,912,518.70, 4,368,000.45 and 1,019,062.70 is: 1,528,321.98
Step by Step Solution
- Step 1: Write the proportion equation
2,912,518.70 : 4,368,000.45 = 1,019,062.70 : x - Step 2: Convert to fraction form
2,912,518.70/4,368,000.45 = 1,019,062.70/x - Step 3: Cross multiply
2,912,518.70x = 4,368,000.45 × 1,019,062.70 - Step 4: Simplify right side
2,912,518.70x = 4,451,266,332,178.22 - Step 5: Solve for x
x = 4,451,266,332,178.22/2,912,518.70 - Step 6: Final answer
x = 1,528,321.98
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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.