Finding the Fourth Proportional to 1,389,132, 2,081,001.86 and 1,023,729.99
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Solution
The fourth proportional to 1,389,132, 2,081,001.86 and 1,023,729.99 is: 1,533,608.05
Step by Step Solution
- Step 1: Write the proportion equation
1,389,132 : 2,081,001.86 = 1,023,729.99 : x - Step 2: Convert to fraction form
1,389,132/2,081,001.86 = 1,023,729.99/x - Step 3: Cross multiply
1,389,132x = 2,081,001.86 × 1,023,729.99 - Step 4: Simplify right side
1,389,132x = 2,130,384,013,327.78 - Step 5: Solve for x
x = 2,130,384,013,327.78/1,389,132 - Step 6: Final answer
x = 1,533,608.05
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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.