Finding the Fourth Proportional to 1,430,544.79, 2,145,389.17 and 470,823.24
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Solution
The fourth proportional to 1,430,544.79, 2,145,389.17 and 470,823.24 is: 706,093.99
Step by Step Solution
- Step 1: Write the proportion equation
1,430,544.79 : 2,145,389.17 = 470,823.24 : x - Step 2: Convert to fraction form
1,430,544.79/2,145,389.17 = 470,823.24/x - Step 3: Cross multiply
1,430,544.79x = 2,145,389.17 × 470,823.24 - Step 4: Simplify right side
1,430,544.79x = 1,010,099,080,080.31 - Step 5: Solve for x
x = 1,010,099,080,080.31/1,430,544.79 - Step 6: Final answer
x = 706,093.99
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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.