Finding the Fourth Proportional to 2,281,905.75, 3,149,030.67 and 1,249,478.96
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Solution
The fourth proportional to 2,281,905.75, 3,149,030.67 and 1,249,478.96 is: 1,724,281.36
Step by Step Solution
- Step 1: Write the proportion equation
2,281,905.75 : 3,149,030.67 = 1,249,478.96 : x - Step 2: Convert to fraction form
2,281,905.75/3,149,030.67 = 1,249,478.96/x - Step 3: Cross multiply
2,281,905.75x = 3,149,030.67 × 1,249,478.96 - Step 4: Simplify right side
2,281,905.75x = 3,934,647,550,814.55 - Step 5: Solve for x
x = 3,934,647,550,814.55/2,281,905.75 - Step 6: Final answer
x = 1,724,281.36
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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.