Finding the Fourth Proportional to 2,116,829.36, 2,921,244.73 and 1,149,966.92
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Solution
The fourth proportional to 2,116,829.36, 2,921,244.73 and 1,149,966.92 is: 1,586,965.33
Step by Step Solution
- Step 1: Write the proportion equation
2,116,829.36 : 2,921,244.73 = 1,149,966.92 : x - Step 2: Convert to fraction form
2,116,829.36/2,921,244.73 = 1,149,966.92/x - Step 3: Cross multiply
2,116,829.36x = 2,921,244.73 × 1,149,966.92 - Step 4: Simplify right side
2,116,829.36x = 3,359,334,787,243.19 - Step 5: Solve for x
x = 3,359,334,787,243.19/2,116,829.36 - Step 6: Final answer
x = 1,586,965.33
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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.