Finding the Fourth Proportional to 5,785,661.42, 8,678,403.71 and 1,408,841.65
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Solution
The fourth proportional to 5,785,661.42, 8,678,403.71 and 1,408,841.65 is: 2,113,240.94
Step by Step Solution
- Step 1: Write the proportion equation
5,785,661.42 : 8,678,403.71 = 1,408,841.65 : x - Step 2: Convert to fraction form
5,785,661.42/8,678,403.71 = 1,408,841.65/x - Step 3: Cross multiply
5,785,661.42x = 8,678,403.71 × 1,408,841.65 - Step 4: Simplify right side
5,785,661.42x = 12,226,496,602,162.52 - Step 5: Solve for x
x = 12,226,496,602,162.52/5,785,661.42 - Step 6: Final answer
x = 2,113,240.94
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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.