Finding the Fourth Proportional to 2,216,884.68, 3,059,334.90 and 1,298,894.13
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Solution
The fourth proportional to 2,216,884.68, 3,059,334.90 and 1,298,894.13 is: 1,792,493.84
Step by Step Solution
- Step 1: Write the proportion equation
2,216,884.68 : 3,059,334.90 = 1,298,894.13 : x - Step 2: Convert to fraction form
2,216,884.68/3,059,334.90 = 1,298,894.13/x - Step 3: Cross multiply
2,216,884.68x = 3,059,334.90 × 1,298,894.13 - Step 4: Simplify right side
2,216,884.68x = 3,973,752,143,314.14 - Step 5: Solve for x
x = 3,973,752,143,314.14/2,216,884.68 - Step 6: Final answer
x = 1,792,493.84
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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.