Finding the Fourth Proportional to 5,879,792.80, 8,815,023.60 and 3,220,400.80
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Solution
The fourth proportional to 5,879,792.80, 8,815,023.60 and 3,220,400.80 is: 4,828,045.82
Step by Step Solution
- Step 1: Write the proportion equation
5,879,792.80 : 8,815,023.60 = 3,220,400.80 : x - Step 2: Convert to fraction form
5,879,792.80/8,815,023.60 = 3,220,400.80/x - Step 3: Cross multiply
5,879,792.80x = 8,815,023.60 × 3,220,400.80 - Step 4: Simplify right side
5,879,792.80x = 28,387,909,053,458.88 - Step 5: Solve for x
x = 28,387,909,053,458.88/5,879,792.80 - Step 6: Final answer
x = 4,828,045.82
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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.