Finding the Fourth Proportional to 2,679,412.63, 3,697,569.49 and 1,455,728.21
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Solution
The fourth proportional to 2,679,412.63, 3,697,569.49 and 1,455,728.21 is: 2,008,894.10
Step by Step Solution
- Step 1: Write the proportion equation
2,679,412.63 : 3,697,569.49 = 1,455,728.21 : x - Step 2: Convert to fraction form
2,679,412.63/3,697,569.49 = 1,455,728.21/x - Step 3: Cross multiply
2,679,412.63x = 3,697,569.49 × 1,455,728.21 - Step 4: Simplify right side
2,679,412.63x = 5,382,656,215,028.31 - Step 5: Solve for x
x = 5,382,656,215,028.31/2,679,412.63 - Step 6: Final answer
x = 2,008,894.10
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1.5x scale
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.