Finding the Fourth Proportional to 1,902,559.96, 2,854,134.78 and 640,289.08
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Solution
The fourth proportional to 1,902,559.96, 2,854,134.78 and 640,289.08 is: 960,532.85
Step by Step Solution
- Step 1: Write the proportion equation
1,902,559.96 : 2,854,134.78 = 640,289.08 : x - Step 2: Convert to fraction form
1,902,559.96/2,854,134.78 = 640,289.08/x - Step 3: Cross multiply
1,902,559.96x = 2,854,134.78 × 640,289.08 - Step 4: Simplify right side
1,902,559.96x = 1,827,471,332,482.20 - Step 5: Solve for x
x = 1,827,471,332,482.20/1,902,559.96 - Step 6: Final answer
x = 960,532.85
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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.