Finding the Fourth Proportional to 3,879,962.87, 5,354,350.44 and 2,249,315.60
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Solution
The fourth proportional to 3,879,962.87, 5,354,350.44 and 2,249,315.60 is: 3,104,056.50
Step by Step Solution
- Step 1: Write the proportion equation
3,879,962.87 : 5,354,350.44 = 2,249,315.60 : x - Step 2: Convert to fraction form
3,879,962.87/5,354,350.44 = 2,249,315.60/x - Step 3: Cross multiply
3,879,962.87x = 5,354,350.44 × 2,249,315.60 - Step 4: Simplify right side
3,879,962.87x = 12,043,623,972,558.87 - Step 5: Solve for x
x = 12,043,623,972,558.87/3,879,962.87 - Step 6: Final answer
x = 3,104,056.50
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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.