Finding the Fourth Proportional to 5,390,350.70, 8,085,526.05 and 5,177,774.30
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Solution
The fourth proportional to 5,390,350.70, 8,085,526.05 and 5,177,774.30 is: 7,766,661.45
Step by Step Solution
- Step 1: Write the proportion equation
5,390,350.70 : 8,085,526.05 = 5,177,774.30 : x - Step 2: Convert to fraction form
5,390,350.70/8,085,526.05 = 5,177,774.30/x - Step 3: Cross multiply
5,390,350.70x = 8,085,526.05 × 5,177,774.30 - Step 4: Simplify right side
5,390,350.70x = 41,865,028,983,670.52 - Step 5: Solve for x
x = 41,865,028,983,670.52/5,390,350.70 - Step 6: Final answer
x = 7,766,661.45
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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.