Finding the Fourth Proportional to 1,420,899.36, 2,132,189.64 and 522,971.76
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Solution
The fourth proportional to 1,420,899.36, 2,132,189.64 and 522,971.76 is: 784,767.03
Step by Step Solution
- Step 1: Write the proportion equation
1,420,899.36 : 2,132,189.64 = 522,971.76 : x - Step 2: Convert to fraction form
1,420,899.36/2,132,189.64 = 522,971.76/x - Step 3: Cross multiply
1,420,899.36x = 2,132,189.64 × 522,971.76 - Step 4: Simplify right side
1,420,899.36x = 1,115,074,968,684.57 - Step 5: Solve for x
x = 1,115,074,968,684.57/1,420,899.36 - Step 6: Final answer
x = 784,767.03
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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.