Finding the Fourth Proportional to 1,400,375.08, 1,928,451.36 and 1,216,529.92
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Solution
The fourth proportional to 1,400,375.08, 1,928,451.36 and 1,216,529.92 is: 1,675,278.87
Step by Step Solution
- Step 1: Write the proportion equation
1,400,375.08 : 1,928,451.36 = 1,216,529.92 : x - Step 2: Convert to fraction form
1,400,375.08/1,928,451.36 = 1,216,529.92/x - Step 3: Cross multiply
1,400,375.08x = 1,928,451.36 × 1,216,529.92 - Step 4: Simplify right side
1,400,375.08x = 2,346,018,778,704.69 - Step 5: Solve for x
x = 2,346,018,778,704.69/1,400,375.08 - Step 6: Final answer
x = 1,675,278.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.