Finding the Fourth Proportional to 1,564,311.75, 2,158,750.22 and 848,919.75
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Solution
The fourth proportional to 1,564,311.75, 2,158,750.22 and 848,919.75 is: 1,171,509.26
Step by Step Solution
- Step 1: Write the proportion equation
1,564,311.75 : 2,158,750.22 = 848,919.75 : x - Step 2: Convert to fraction form
1,564,311.75/2,158,750.22 = 848,919.75/x - Step 3: Cross multiply
1,564,311.75x = 2,158,750.22 × 848,919.75 - Step 4: Simplify right side
1,564,311.75x = 1,832,605,692,830.25 - Step 5: Solve for x
x = 1,832,605,692,830.25/1,564,311.75 - Step 6: Final answer
x = 1,171,509.26
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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.