Finding the Fourth Proportional to 2,267,735.13, 3,129,474.69 and 1,249,139.88
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Solution
The fourth proportional to 2,267,735.13, 3,129,474.69 and 1,249,139.88 is: 1,723,813.15
Step by Step Solution
- Step 1: Write the proportion equation
2,267,735.13 : 3,129,474.69 = 1,249,139.88 : x - Step 2: Convert to fraction form
2,267,735.13/3,129,474.69 = 1,249,139.88/x - Step 3: Cross multiply
2,267,735.13x = 3,129,474.69 × 1,249,139.88 - Step 4: Simplify right side
2,267,735.13x = 3,909,151,638,729.64 - Step 5: Solve for x
x = 3,909,151,638,729.64/2,267,735.13 - Step 6: Final answer
x = 1,723,813.15
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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.