Finding the Fourth Proportional to 3,960,309.74, 5,464,290.74 and 2,241,430.26
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Solution
The fourth proportional to 3,960,309.74, 5,464,290.74 and 2,241,430.26 is: 3,092,643.61
Step by Step Solution
- Step 1: Write the proportion equation
3,960,309.74 : 5,464,290.74 = 2,241,430.26 : x - Step 2: Convert to fraction form
3,960,309.74/5,464,290.74 = 2,241,430.26/x - Step 3: Cross multiply
3,960,309.74x = 5,464,290.74 × 2,241,430.26 - Step 4: Simplify right side
3,960,309.74x = 12,247,826,614,073.79 - Step 5: Solve for x
x = 12,247,826,614,073.79/3,960,309.74 - Step 6: Final answer
x = 3,092,643.61
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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.