Finding the Fourth Proportional to 2,163,207.99, 2,984,895.44 and 1,245,259.77
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Solution
The fourth proportional to 2,163,207.99, 2,984,895.44 and 1,245,259.77 is: 1,718,267.60
Step by Step Solution
- Step 1: Write the proportion equation
2,163,207.99 : 2,984,895.44 = 1,245,259.77 : x - Step 2: Convert to fraction form
2,163,207.99/2,984,895.44 = 1,245,259.77/x - Step 3: Cross multiply
2,163,207.99x = 2,984,895.44 × 1,245,259.77 - Step 4: Simplify right side
2,163,207.99x = 3,716,970,202,862.15 - Step 5: Solve for x
x = 3,716,970,202,862.15/2,163,207.99 - Step 6: Final answer
x = 1,718,267.60
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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.