Finding the Fourth Proportional to 3,903,478.15, 5,387,365.50 and 2,249,303.44
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Solution
The fourth proportional to 3,903,478.15, 5,387,365.50 and 2,249,303.44 is: 3,104,364.69
Step by Step Solution
- Step 1: Write the proportion equation
3,903,478.15 : 5,387,365.50 = 2,249,303.44 : x - Step 2: Convert to fraction form
3,903,478.15/5,387,365.50 = 2,249,303.44/x - Step 3: Cross multiply
3,903,478.15x = 5,387,365.50 × 2,249,303.44 - Step 4: Simplify right side
3,903,478.15x = 12,117,819,738,218.91 - Step 5: Solve for x
x = 12,117,819,738,218.91/3,903,478.15 - Step 6: Final answer
x = 3,104,364.69
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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.