Finding the Fourth Proportional to 1,421,749.74, 2,132,624.62 and 475,120.44
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Solution
The fourth proportional to 1,421,749.74, 2,132,624.62 and 475,120.44 is: 712,680.66
Step by Step Solution
- Step 1: Write the proportion equation
1,421,749.74 : 2,132,624.62 = 475,120.44 : x - Step 2: Convert to fraction form
1,421,749.74/2,132,624.62 = 475,120.44/x - Step 3: Cross multiply
1,421,749.74x = 2,132,624.62 × 475,120.44 - Step 4: Simplify right side
1,421,749.74x = 1,013,253,547,809.23 - Step 5: Solve for x
x = 1,013,253,547,809.23/1,421,749.74 - Step 6: Final answer
x = 712,680.66
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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.