Finding the Fourth Proportional to 1,405,106.64, 2,107,665.36 and 340,146.99
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Solution
The fourth proportional to 1,405,106.64, 2,107,665.36 and 340,146.99 is: 510,221.79
Step by Step Solution
- Step 1: Write the proportion equation
1,405,106.64 : 2,107,665.36 = 340,146.99 : x - Step 2: Convert to fraction form
1,405,106.64/2,107,665.36 = 340,146.99/x - Step 3: Cross multiply
1,405,106.64x = 2,107,665.36 × 340,146.99 - Step 4: Simplify right side
1,405,106.64x = 716,916,028,131.27 - Step 5: Solve for x
x = 716,916,028,131.27/1,405,106.64 - Step 6: Final answer
x = 510,221.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.