Finding the Fourth Proportional to 2,921,879.21, 4,032,115.93 and 1,632,730.19
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Solution
The fourth proportional to 2,921,879.21, 4,032,115.93 and 1,632,730.19 is: 2,253,124.42
Step by Step Solution
- Step 1: Write the proportion equation
2,921,879.21 : 4,032,115.93 = 1,632,730.19 : x - Step 2: Convert to fraction form
2,921,879.21/4,032,115.93 = 1,632,730.19/x - Step 3: Cross multiply
2,921,879.21x = 4,032,115.93 × 1,632,730.19 - Step 4: Simplify right side
2,921,879.21x = 6,583,357,408,490.93 - Step 5: Solve for x
x = 6,583,357,408,490.93/2,921,879.21 - Step 6: Final answer
x = 2,253,124.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.