Finding the Fourth Proportional to 3,944,066.02, 5,442,811.14 and 2,133,230.02
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Solution
The fourth proportional to 3,944,066.02, 5,442,811.14 and 2,133,230.02 is: 2,943,857.45
Step by Step Solution
- Step 1: Write the proportion equation
3,944,066.02 : 5,442,811.14 = 2,133,230.02 : x - Step 2: Convert to fraction form
3,944,066.02/5,442,811.14 = 2,133,230.02/x - Step 3: Cross multiply
3,944,066.02x = 5,442,811.14 × 2,133,230.02 - Step 4: Simplify right side
3,944,066.02x = 11,610,768,117,038.42 - Step 5: Solve for x
x = 11,610,768,117,038.42/3,944,066.02 - Step 6: Final answer
x = 2,943,857.45
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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.