Finding the Fourth Proportional to 4,323,305.62, 6,484,958.43 and 1,128,403.90
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Solution
The fourth proportional to 4,323,305.62, 6,484,958.43 and 1,128,403.90 is: 1,692,605.85
Step by Step Solution
- Step 1: Write the proportion equation
4,323,305.62 : 6,484,958.43 = 1,128,403.90 : x - Step 2: Convert to fraction form
4,323,305.62/6,484,958.43 = 1,128,403.90/x - Step 3: Cross multiply
4,323,305.62x = 6,484,958.43 × 1,128,403.90 - Step 4: Simplify right side
4,323,305.62x = 7,317,652,383,749.88 - Step 5: Solve for x
x = 7,317,652,383,749.88/4,323,305.62 - Step 6: Final answer
x = 1,692,605.85
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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.