Finding the Fourth Proportional to 1,327,966.08, 1,991,948.16 and 486,583.68
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Solution
The fourth proportional to 1,327,966.08, 1,991,948.16 and 486,583.68 is: 729,875.17
Step by Step Solution
- Step 1: Write the proportion equation
1,327,966.08 : 1,991,948.16 = 486,583.68 : x - Step 2: Convert to fraction form
1,327,966.08/1,991,948.16 = 486,583.68/x - Step 3: Cross multiply
1,327,966.08x = 1,991,948.16 × 486,583.68 - Step 4: Simplify right side
1,327,966.08x = 969,249,466,062.03 - Step 5: Solve for x
x = 969,249,466,062.03/1,327,966.08 - Step 6: Final answer
x = 729,875.17
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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.