Finding the Fourth Proportional to 2,579,272.24, 3,868,903.40 and 686,015.68
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Solution
The fourth proportional to 2,579,272.24, 3,868,903.40 and 686,015.68 is: 1,029,022.20
Step by Step Solution
- Step 1: Write the proportion equation
2,579,272.24 : 3,868,903.40 = 686,015.68 : x - Step 2: Convert to fraction form
2,579,272.24/3,868,903.40 = 686,015.68/x - Step 3: Cross multiply
2,579,272.24x = 3,868,903.40 × 686,015.68 - Step 4: Simplify right side
2,579,272.24x = 2,654,128,396,805.31 - Step 5: Solve for x
x = 2,654,128,396,805.31/2,579,272.24 - Step 6: Final answer
x = 1,029,022.20
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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.