Finding the Fourth Proportional to 1,722,477.70, 2,374,555.62 and 1,211,594.50
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Solution
The fourth proportional to 1,722,477.70, 2,374,555.62 and 1,211,594.50 is: 1,670,267.50
Step by Step Solution
- Step 1: Write the proportion equation
1,722,477.70 : 2,374,555.62 = 1,211,594.50 : x - Step 2: Convert to fraction form
1,722,477.70/2,374,555.62 = 1,211,594.50/x - Step 3: Cross multiply
1,722,477.70x = 2,374,555.62 × 1,211,594.50 - Step 4: Simplify right side
1,722,477.70x = 2,876,998,529,136.09 - Step 5: Solve for x
x = 2,876,998,529,136.09/1,722,477.70 - Step 6: Final answer
x = 1,670,267.50
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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.