Finding the Fourth Proportional to 4,313,408.93, 6,471,455.86 and 1,280,790.59
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Solution
The fourth proportional to 4,313,408.93, 6,471,455.86 and 1,280,790.59 is: 1,921,584.51
Step by Step Solution
- Step 1: Write the proportion equation
4,313,408.93 : 6,471,455.86 = 1,280,790.59 : x - Step 2: Convert to fraction form
4,313,408.93/6,471,455.86 = 1,280,790.59/x - Step 3: Cross multiply
4,313,408.93x = 6,471,455.86 × 1,280,790.59 - Step 4: Simplify right side
4,313,408.93x = 8,288,579,769,088.36 - Step 5: Solve for x
x = 8,288,579,769,088.36/4,313,408.93 - Step 6: Final answer
x = 1,921,584.51
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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.